Paul
Source: "Paul Bibliography." Author Wars, https://authorwars.com/authors/paul.html".
Titles:
Cover Art
- Unknown. Air Wonder Stories, February 1930
- Unknown. Amazing Stories, April 1928
- Unknown. Amazing Stories, April 1929
- Unknown. Amazing Stories, August 1928
- Unknown. Amazing Stories, December 1926
- Unknown. Amazing Stories, December 1927
- Unknown. Amazing Stories, December 1928
- Unknown. Amazing Stories, February 1928
- Unknown. Amazing Stories, January 1927
- Unknown. Amazing Stories, July 1927
- Unknown. Amazing Stories, July 1928
- Unknown. Amazing Stories, June 1928
- Unknown. Amazing Stories, March 1927
- Unknown. Amazing Stories, March 1928
- Unknown. Amazing Stories, March 1929
- Unknown. Amazing Stories, May 1928
- Unknown. Amazing Stories, November 1926
- Unknown. Amazing Stories, November 1927
- Unknown. Amazing Stories, November 1928
- Unknown. Amazing Stories, October 1926
- Unknown. Amazing Stories, October 1927
- Unknown. Amazing Stories, October 1928
- Unknown. Famous Fantastic Mysteries, December 1940
- Unknown. Famous Fantastic Mysteries, May-June 1940
- Unknown. Famous Science Fiction, Spring 1969
- Unknown. Future Fiction, April 1941
- Unknown. Future Fiction, November 1940
- Unknown. Science Fiction, August 1939
- Unknown. Science Fiction, September 1941
- Unknown. Science Wonder Stories, June 1929
- Unknown. Science Wonder Stories, October 1929
- Unknown. Scientific Detective Monthly, April 1930
- Unknown. Wonder Stories, April 1934
- Unknown. Wonder Stories, April 1935
- Unknown. Wonder Stories, April 1936
- Unknown. Wonder Stories, August 1934
- Unknown. Wonder Stories, December 1933
- Unknown. Wonder Stories, December 1934
- Unknown. Wonder Stories, February 1934
- Unknown. Wonder Stories, February 1935
- Unknown. Wonder Stories, February 1936
- Unknown. Wonder Stories, January 1934
- Unknown. Wonder Stories, January 1935
- Unknown. Wonder Stories, July 1932
- Unknown. Wonder Stories, July 1934
- Unknown. Wonder Stories, June 1935
- Unknown. Wonder Stories, March 1934
- Unknown. Wonder Stories, March 1935
- Unknown. Wonder Stories, May 1934
- Unknown. Wonder Stories, May 1935
- Unknown. Wonder Stories, November 1934
- Unknown. Wonder Stories, November-December 1935
- Unknown. Wonder Stories, October 1934
- Unknown. Wonder Stories, October 1935
- Unknown. Wonder Stories, September 1932
- Unknown. Wonder Stories, September 1934
- Unknown. Wonder Stories, September 1935
- 2011. The Skylark of Space
- 2013. The Red Dust
- 2013. Armageddon—2419 A. D.
- 2013. Amazing Stories Annual, Vol. 1
- 2022. Around the Universe
- 2022. The Moon Devils
- 2022. Exiles on Asperus
Interior Art
- Unknown. 30th Century Duel
- Unknown. 50th Century Revolt
- Unknown. A Brand New World (Complete Novel)
- Unknown. A Brand New World (Complete Novel) [10]
- Unknown. A Brand New World (Complete Novel) [11]
- Unknown. A Brand New World (Complete Novel) [12]
- Unknown. A Brand New World (Complete Novel) [2]
- Unknown. A Brand New World (Complete Novel) [3]
- Unknown. A Brand New World (Complete Novel) [4]
- Unknown. A Brand New World (Complete Novel) [5]
- Unknown. A Brand New World (Complete Novel) [6]
- Unknown. A Brand New World (Complete Novel) [7]
- Unknown. A Brand New World (Complete Novel) [8]
- Unknown. A Brand New World (Complete Novel) [9]
- Unknown. A City on Pluto
- Unknown. A Conquest of Two Worlds
- Unknown. A Drama in the Air
- Unknown. A Handful of Stars
- Unknown. A Martian Odyssey
- Unknown. A Modern Atlantis
- Unknown. A Rescue from Jupiter (Part 1 of 2)
- Unknown. A Rescue from Jupiter (Part 2 of 2)
- Unknown. A Roman Resurrection
- Unknown. A Roman Resurrection [2]
- Unknown. A Roman Resurrection [3]
- Unknown. A Story of the Days to Come (Part 1 of 2)
- Unknown. A Story of the Stone Age
- Unknown. A Subterranean Adventure (Part 1 of 3)
- Unknown. A Subterranean Adventure (Part 2 of 3)
- Unknown. A Suitor by Proxy
- Unknown. A Visit to Venus
- Unknown. A Visitor from the Twentieth Century
- Unknown. A World of Indexed Numbers
- Unknown. A World Unseen (Part 1 of 2)
- Unknown. A World Unseen (Part 2 of 2)
- Unknown. After Armageddon
- Unknown. After Doomsday
- Unknown. Amazing Stories Quarterly, April 1928
- Unknown. Amazing Stories Quarterly, January 1929
- Unknown. Amazing Stories, April 1928
- Unknown. Amazing Stories, February 1927 cover
- Unknown. Amazing Stories, January 1929 cover
- Unknown. Amazing Stories, November 1926
- Unknown. Amazing Stories, September 1941
- Unknown. An Adventure on Eros
- Unknown. Armageddon - 2419 A.D.
- Unknown. Armageddon - 2419 A.D. [2]
- Unknown. Armageddon - 2419 A.D. [3]
- Unknown. Armageddon - 2419 A.D. [4]
- Unknown. Armageddon - 2419 A.D. [5]
- Unknown. Around the Universe
- Unknown. Around the Universe [2]
- Unknown. Astonishing Stories, February 1943
- Unknown. Before the Asteroids
- Unknown. Between Dimensions
- Unknown. Between Earth and Moon
- Unknown. Between Earth and Moon [2]
- Unknown. Between Earth and Moon [3]
- Unknown. Between Earth and Moon [4]
- Unknown. Between Earth and Moon [5]
- Unknown. Between Earth and Moon [6]
- Unknown. Between Earth and Moon [7]
- Unknown. Beyond the Great Oblivion (Complete Novel)
- Unknown. Beyond the Great Oblivion (Complete Novel) [2]
- Unknown. Beyond the Great Oblivion (Complete Novel) [3]
- Unknown. Beyond the Pole
- Unknown. Beyond the Pole (Part 1 of 2)
- Unknown. Beyond the Pole (Part 2 of 2)
- Unknown. Beyond the Pole [2]
- Unknown. Beyond the Pole [3]
- Unknown. Beyond the Singing Flame
- Unknown. Black Friar of the Flame
- Unknown. Brood of Helios (Part 1 of 3)
- Unknown. Brood of Helios (Part 2 of 3)
- Unknown. Brood of Helios (Part 3 of 3)
- Unknown. Cabal
- Unknown. Captive of the Crater
- Unknown. Castaways of Space
- Unknown. Castaways on Deimos
- Unknown. Chicago 2042 A.D.
- Unknown. Children of the Ray
- Unknown. Cities in the Air (Part 2 of 2)
- Unknown. Cleon of Yzdral
- Unknown. Colossus of Chaos
- Unknown. Cosmic Joke
- Unknown. Cover: Ralph 124C 41+: A Romance of the Year 2660
- Unknown. Crimes of the Year 2000: No. 2, The Television Alibi
- Unknown. Crossroads of Space
- Unknown. Crystals of Growth
- Unknown. Darkness and Dawn (Complete Novel)
- Unknown. Darkness and Dawn (Complete Novel) [2]
- Unknown. Darkness and Dawn (Complete Novel) [3]
- Unknown. Dawn to Dusk (Part 1 of 3)
- Unknown. Dawn to Dusk (Part 2 of 3)
- Unknown. Dawn to Dusk (Part 3 of 3)
- Unknown. Day of the Titans
- Unknown. Death Between the Planets
- Unknown. Dictators of Creation
- Unknown. Dimensional Fate
- Unknown. Doom Over Venus
- Unknown. Doom Over Venus [2]
- Unknown. Doom Over Venus [3]
- Unknown. Doom Over Venus [4]
- Unknown. Dosage
- Unknown. Dream's End
- Unknown. Druso (part 1 of 3)
- Unknown. Druso (part 2 of 3)
- Unknown. Druso (part 3 of 3)
- Unknown. Dust of Destruction
- Unknown. Dweller in Martian Depths
- Unknown. Dynamic Science Stories, February 1939 (cover)
- Unknown. Earth's Lucky Day
- Unknown. Earthspot
- Unknown. Emperors of Space
- Unknown. Enslaved Brains (Part 1 of 3)
- Unknown. Enslaved Brains (Part 2 of 3)
- Unknown. Enslaved Brains (Part 3 of 3)
- Unknown. Eternity Orbit
- Unknown. Evolution Satellite (Part 1 of 2)
- Unknown. Evolution Satellite (Part 2 of 2)
- Unknown. Exiles of the Moon
- Unknown. Exiles of the Moon (Part 1 of 3)
- Unknown. Exiles of the Moon (Part 2 of 3)
- Unknown. Exiles of the Moon (Part 3 of 3)
- Unknown. Final Enemy
- Unknown. Fire Gas
- Unknown. Flight into Super-Time
- Unknown. Flight of the Eastern Star
- Unknown. Flight to Venus
- Unknown. Forever Tomorrow
- Unknown. Four Dimensional Surgery
- Unknown. Four Dimensional Surgery [2]
- Unknown. Free Energy
- Unknown. Freedom of the Skies
- Unknown. From Time's Dawn
- Unknown. From Time's Dawn [2]
- Unknown. Fungus Isle
- Unknown. Fungus Isle [2]
- Unknown. Gems of Life
- Unknown. Giant in the Earth
- Unknown. Gulf Stream Gold
- Unknown. Gulliver, 3000 A.D.
- Unknown. Hicks' Inventions with a Kick - The Electro-Hydraulic Bank Protector
- Unknown. How Münchhausen and the Allies Took Berlin
- Unknown. How the Martian Canals Are Built
- Unknown. Human Ants
- Unknown. I Make a Wireless Acquaintance
- Unknown. Ice Planet
- Unknown. In 20,000 A.D.!
- Unknown. In Caverns Below (Part 1 of 3)
- Unknown. In Caverns Below (Part 2 of 3)
- Unknown. In Caverns Below (Part 3 of 3)
- Unknown. In Martian Depths
- Unknown. In the Abyss
- Unknown. In the Spacesphere
- Unknown. In the Year 8000
- Unknown. In the Year 8000 (Part 1 of 3)
- Unknown. In the Year 8000 (Part 2 of 3)
- Unknown. In the Year 8000 (Part 3 of 3)
- Unknown. Incident on Titan
- Unknown. Into Plutonian Depths
- Unknown. Into Plutonian Depths
- Unknown. Into Plutonian Depths [2]
- Unknown. Into Plutonian Depths [3]
- Unknown. Into Plutonian Depths [4]
- Unknown. Into Plutonian Depths [5]
- Unknown. Into Plutonian Depths [6]
- Unknown. Into Plutonian Depths [7]
- Unknown. Into Plutonian Depths [8]
- Unknown. Into the Green Prism (Part 1 of 2)
- Unknown. Into the Green Prism (Part 2 of 2)
- Unknown. It Happened Tomorrow
- Unknown. It Happened Tomorrow [2]
- Unknown. Jason, Son of Jason
- Unknown. Jason, Son of Jason (Complete Novel)
- Unknown. Jason, Son of Jason (Complete Novel) [2]
- Unknown. Jason, Son of Jason (Complete Novel) [3]
- Unknown. Joe Carson's Weapon
- Unknown. Lakh-Dahl, Destroyer of Souls
- Unknown. Land of No Return
- Unknown. Life on Mercury
- Unknown. Life on Uranus
- Unknown. Lord of the Lightning
- Unknown. Marooned in Andromeda
- Unknown. Martian Amusements
- Unknown. Martian Guns
- Unknown. Master of Storms
- Unknown. Master of the Asteroid
- Unknown. Master of the Genes
- Unknown. Men of the Dark Comet
- Unknown. Minos of Sardanes (Complete Novel)
- Unknown. Minos of Sardanes (Complete Novel) [2]
- Unknown. Minos of Sardanes (Complete Novel) [3]
- Unknown. Minos of Sardanes (Complete Novel) [4]
- Unknown. Minus Danger!
- Unknown. Misfit
- Unknown. Missionaries from the Sky
- Unknown. Monorail
- Unknown. Monster of the Asteroid
- Unknown. Monsters of Callisto
- Unknown. Monsters of the Ray
- Unknown. Moon Heaven
- Unknown. Moon People of Jupiter
- Unknown. Murder on the Asteroid
- Unknown. Mutiny on Mercury
- Unknown. Münchhausen Departs for the Planet Mars
- Unknown. Münchhausen Is Taught "Martian"
- Unknown. Münchhausen on the Moon
- Unknown. Münchhausen on the Moon [2]
- Unknown. New York Invaded
- Unknown. On the Brink of 2000
- Unknown. One Prehistoric Night
- Unknown. One-Way Tunnel
- Unknown. Outcasts from Mars
- Unknown. Outpost on Io
- Unknown. Palos of the Dog Star Pack (Complete Novel)
- Unknown. Palos of the Dog Star Pack (Complete Novel) [2]
- Unknown. Palos of the Dog Star Pack (Complete Novel) [3]
- Unknown. Palos of the Dog Star Pack (Complete Novel) [4]
- Unknown. Paradox +
- Unknown. Pebbles of Dread
- Unknown. People of the Golden Atom
- Unknown. Perfect Murder
- Unknown. Planet of Eternal Night
- Unknown. Planet of Eternal Night [2]
- Unknown. Planet of Eternal Night [3]
- Unknown. Planet of Eternal Night [4]
- Unknown. Planet of Eternal Night [5]
- Unknown. Plastic Pigskin Daze
- Unknown. Plastic Pigskin Daze
- Unknown. Polaris and the Goddess Glorian (Complete Novel)
- Unknown. Polaris and the Goddess Glorian (Complete Novel) [2]
- Unknown. Polaris and the Goddess Glorian (Complete Novel) [3]
- Unknown. Polaris and the Goddess Glorian (Complete Novel) [4]
- Unknown. Polaris-- of the Snows (Complete Novel)
- Unknown. Polaris-- of the Snows (Complete Novel) [10]
- Unknown. Polaris-- of the Snows (Complete Novel) [2]
- Unknown. Polaris-- of the Snows (Complete Novel) [3]
- Unknown. Polaris-- of the Snows (Complete Novel) [4]
- Unknown. Polaris-- of the Snows (Complete Novel) [5]
- Unknown. Polaris-- of the Snows (Complete Novel) [6]
- Unknown. Polaris-- of the Snows (Complete Novel) [7]
- Unknown. Polaris-- of the Snows (Complete Novel) [8]
- Unknown. Polaris-- of the Snows (Complete Novel) [9]
- Unknown. Pollock and the Porroh Man
- Unknown. Professor Diel's Ray
- Unknown. Radio Mates
- Unknown. Ralph 124C41+
- Unknown. Ralph 124C41+ [2]
- Unknown. Ralph 124C41+ [3]
- Unknown. Rays of Death (Part 1 of 2)
- Unknown. Rays of Death (Part 2 of 2)
- Unknown. Red April, 1965
- Unknown. Red Flame of Venus
- Unknown. Red Moon
- Unknown. Revolt of the Scientists
- Unknown. Robur the Conqueror; or, The Clipper of the Clouds (Part 1 of 2)
- Unknown. Science Wonder Stories, June 1929 (cover)
- Unknown. Seeds from Space
- Unknown. Short-Wave Madness
- Unknown. Sleep Scourge
- Unknown. Smoke Rings
- Unknown. Space Rays
- Unknown. Spawn of the Infinitude
- Unknown. Spheres of Hell
- Unknown. Spoilers of the Spaceways
- Unknown. Streamers of Death
- Unknown. Sub-Satellite
- Unknown. Sunken Cities
- Unknown. Sunward Flight
- Unknown. Super-Radio
- Unknown. Taa the Terrible
- Unknown. Tetrahedra of Space
- Unknown. The "Platinum Planets"
- Unknown. The 35th Millennium
- Unknown. The Afterglow (Complete Novel)
- Unknown. The Afterglow (Complete Novel) [2]
- Unknown. The Afterglow (Complete Novel) [3]
- Unknown. The Afterglow (Complete Novel) [4]
- Unknown. The Air Trap
- Unknown. The Airlords of Han
- Unknown. The Alien Room
- Unknown. The Ambassador From Mars
- Unknown. The Ananias Gland
- Unknown. The Ancient Horror
- Unknown. The Ancient Ones
- Unknown. The Andromeda Menace
- Unknown. The Appendix and the Spectacles
- Unknown. The Asteroid of Death
- Unknown. The Asteroid of Gold
- Unknown. The Astounding Discoveries of Doctor Mentiroso
- Unknown. The Bat-Men of Mars (Part 1 of 3)
- Unknown. The Bat-Men of Mars (Part 3 of 3)
- Unknown. The Beast Plants
- Unknown. The Black Comet
- Unknown. The Black River
- Unknown. The Black Star Passes
- Unknown. The Blue Dimension
- Unknown. The Boneless Horror
- Unknown. The Brain-Eaters of Pluto
- Unknown. The Branches of Time
- Unknown. The Broken Axiom
- Unknown. The Call of the Mech-Men
- Unknown. The Celestial Visitor
- Unknown. The Challenge of the Comet
- Unknown. The Cities of Mars
- Unknown. The Cities of Mars [2]
- Unknown. The City of Singing Flame
- Unknown. The City of the Living Dead
- Unknown. The City of the Living Dead
- Unknown. The City of the Singing Flame
- Unknown. The Color of Space
- Unknown. The Coming of the Ice
- Unknown. The Conquerors (Part 1 of 2)
- Unknown. The Conquerors (Part 2 of 2)
- Unknown. The Cosmic Cloud
- Unknown. The Cosmic Cloud [2]
- Unknown. The Cosmic Cloud [3]
- Unknown. The Cosmic Cloud [4]
- Unknown. The Cosmic Cloud [5]
- Unknown. The Cosmic Cloud [6]
- Unknown. The Cosmic Cloud [7]
- Unknown. The Cosmic Horror
- Unknown. The Cosmic Pantograph
- Unknown. The Country of the Blind
- Unknown. The Crystal Empire
- Unknown. The Death of Iron (Part 1 of 4)
- Unknown. The Death of Iron (Part 2 of 4)
- Unknown. The Death of Iron (Part 3 of 4)
- Unknown. The Death of Iron (Part 4 of 4)
- Unknown. The Derelict of Space
- Unknown. The Derelicts of Ganymede
- Unknown. The Dimension of Chance
- Unknown. The Disintegrating Ray
- Unknown. The Drums of Tapajos (Part 1 of 3)
- Unknown. The Drums of Tapajos (Part 3 of 3)
- Unknown. The Duel on the Asteroid
- Unknown. The Earthman's Burden
- Unknown. The Electronic Siege
- Unknown. The Elixir of Hate (Complete Novel)
- Unknown. The Elixir of Hate (Complete Novel) [2]
- Unknown. The Elixir of Hate (Complete Novel) [3]
- Unknown. The Elixir of Hate (Complete Novel) [4]
- Unknown. The Elixir of Hate (Complete Novel) [5]
- Unknown. The Elixir of Hate (Complete Novel) [6]
- Unknown. The Elixir of Hate (Complete Novel) [7]
- Unknown. The Elixir of Progress
- Unknown. The Empire in the Sky
- Unknown. The Eternal Light
- Unknown. The Eternal World
- Unknown. The Ether Ship of Oltor
- Unknown. The Evening Star (Part 2 of 2)
- Unknown. The Exile of the Skies (Part 1 of 3)
- Unknown. The Exile of the Skies (Part 2 of 3)
- Unknown. The Exile of the Skies (Part 3 of 3)
- Unknown. The Eye of Prometheus
- Unknown. The Eye of the Vulture
- Unknown. The Fall of the Eiffel Tower (Part 1 of 3)
- Unknown. The Fall of the Eiffel Tower (Part 2 of 3)
- Unknown. The Fall of the Eiffel Tower (Part 3 of 3)
- Unknown. The Fatal Equation
- Unknown. The Final War (Part 1 of 2)
- Unknown. The Final War (Part 2 of 2)
- Unknown. The Fitzgerald Contraction
- Unknown. The Flight of the Mercury
- Unknown. The Floating Island of Madness
- Unknown. The Flowering of the Strange Orchid
- Unknown. The Flying Buzz-Saw
- Unknown. The Flying Legion (Part 1 of 4)
- Unknown. The Flying Legion (Part 2 of 4)
- Unknown. The Flying Legion (Part 3 of 4)
- Unknown. The Flying Legion (Part 4 of 4)
- Unknown. The Geist of the Jungle
- Unknown. The Gold Triumvirate
- Unknown. The Gravitomobile
- Unknown. The Great Steel Panic
- Unknown. The Green Intelligence
- Unknown. The Green Man of Graypec (Part 1 of 3)
- Unknown. The Green Man of Graypec (Part 2 of 3)
- Unknown. The Green Man of Graypec (Part 3 of 3)
- Unknown. The Green Torture
- Unknown. The Hell Planet
- Unknown. The Hidden Colony (Part 1 of 3)
- Unknown. The Hidden Colony (Part 2 of 3)
- Unknown. The Hidden Colony (Part 3 of 3)
- Unknown. The Horrible Transformation
- Unknown. The Human Termites (Part 3 of 3)
- Unknown. The Ideal
- Unknown. The Ideal
- Unknown. The Ideal (reprint)
- Unknown. The Impossible Highway
- Unknown. The Incredible Monstrosity
- Unknown. The Individualists
- Unknown. The Inferiority Complex
- Unknown. The Infinite Brain
- Unknown. The Insect World
- Unknown. The Invaders
- Unknown. The Invisible Bubble
- Unknown. The Invisible City
- Unknown. The Invisible Destroyer
- Unknown. The Island of Dr. Moreau (Part 2 of 2)
- Unknown. The Island of Unreason
- Unknown. The Isotope Men
- Unknown. The Killing Flash
- Unknown. The Lake of Life
- Unknown. The Land of Mighty Insects
- Unknown. The Land of the Bipos
- Unknown. The Last of the Lemurians
- Unknown. The Last of the Swarm
- Unknown. The Last Woman
- Unknown. The Last Woman
- Unknown. The Life Battery
- Unknown. The Life Detour
- Unknown. The Light from Beyond
- Unknown. The Literary Corkscrew
- Unknown. The Living Machine
- Unknown. The Living Test Tube
- Unknown. The Lord of Death
- Unknown. The Lord of Tranerica
- Unknown. The Lost Continent
- Unknown. The Lost Martian
- Unknown. The Lunar Consul (Part 1 of 2)
- Unknown. The Lunar Consul (Part 2 of 2)
- Unknown. The Mad World
- Unknown. The Man from Ariel
- Unknown. The Man from Beyond
- Unknown. The Man from the Atom (reprint)
- Unknown. The Man Higher Up
- Unknown. The Man of Stone
- Unknown. The Man Who Awoke
- Unknown. The Man Who Awoke III—The City of Sleep
- Unknown. The Man Who Awoke II—Master of the Brain
- Unknown. The Man Who Awoke IV—The Individualists
- Unknown. The Man Who Awoke V—The Elixir
- Unknown. The Man Who Awoke: 2. Master of the Brain
- Unknown. The Man Who Evolved
- Unknown. The Man Who Saved the Earth
- Unknown. The Man Who Shrank
- Unknown. The Marble Virgin
- Unknown. The Martian
- Unknown. The Martian Revenge
- Unknown. The Master of the World (Part 1 of 2)
- Unknown. The Master of the World (Part 2 of 2)
- Unknown. The Memory of the Atoms
- Unknown. The Menace from Space
- Unknown. The Menace of Mars
- Unknown. The Message from Mars
- Unknown. The Messenger from Space
- Unknown. The Metal Man
- Unknown. The Meteor Makers
- Unknown. The Meteoric Magnet
- Unknown. The Moon Era
- Unknown. The Moon Men
- Unknown. The Moon Mines
- Unknown. The Moon Mistress
- Unknown. The Moon Pool (Part 3 of 3)
- Unknown. The Moon Tragedy
- Unknown. The Mouthpiece of Zitu (Complete Novel)
- Unknown. The Mouthpiece of Zitu (Complete Novel) [2]
- Unknown. The Mouthpiece of Zitu (Complete Novel) [3]
- Unknown. The Mouthpiece of Zitu (Complete Novel) [4]
- Unknown. The Mouthpiece of Zitu (Complete Novel) [5]
- Unknown. The Mouthpiece of Zitu (Complete Novel) [6]
- Unknown. The Mouthpiece of Zitu (Complete Novel) [7]
- Unknown. The Mouthpiece of Zitu (Complete Novel) [8]
- Unknown. The Mystery Metal
- Unknown. The Mystery of Planet Deep
- Unknown. The Mystery of the -/-
- Unknown. The Nth Man
- Unknown. The Octopus Cycle
- Unknown. The Outpost on the Moon (Part 1 of 3)
- Unknown. The Outpost on the Moon (Part 2 of 3)
- Unknown. The Outpost on the Moon (Part 3 of 3)
- Unknown. The Paradise of the Ice Wilderness
- Unknown. The People of the Golden Atom (Complete Novel)
- Unknown. The People of the Golden Atom (Complete Novel) [2]
- Unknown. The People of the Golden Atom (Complete Novel) [3]
- Unknown. The Perambulating Home
- Unknown. The Perfect World
- Unknown. The Perfect World (Part 2 of 3)
- Unknown. The Perfect World (Part 3 of 3)
- Unknown. The Phantom of Galon
- Unknown. The Phantom Teleview
- Unknown. The Pineal Stimulato
- Unknown. The Planet Juggler
- Unknown. The Planet Juggler [2]
- Unknown. The Planet of Youth
- Unknown. The Planetoid of Doom
- Unknown. The Plunge of the "Knupfen"
- Unknown. The Power Planet
- Unknown. The Power Satellite
- Unknown. The Prince of Liars
- Unknown. The Prince of Liars [2]
- Unknown. The Prophetic Voice
- Unknown. The Psychophonic Nurse
- Unknown. The Purple Death
- Unknown. The Radio Beasts (Complete Novel)
- Unknown. The Radio Beasts (Complete Novel) [2]
- Unknown. The Radio Beasts (Complete Novel) [3]
- Unknown. The Radio Man (Part 1 of 3)
- Unknown. The Radio Man (Part 2 of 3)
- Unknown. The Radio Man (Part 3 of 3)
- Unknown. The Radio Planet (Complete Novel)
- Unknown. The Radio Planet (Complete Novel) [2]
- Unknown. The Radio Planet (Complete Novel) [3]
- Unknown. The Radio Planet (Complete Novel) [4]
- Unknown. The Radio Planet (Complete Novel) [5]
- Unknown. The Radio Planet (Complete Novel) [6]
- Unknown. The Radio Planet (Complete Novel) [7]
- Unknown. The Radio Terror (Part 1 of 3)
- Unknown. The Radio Terror (Part 2 of 3)
- Unknown. The Radio Terror (Part 3 of 3)
- Unknown. The Radium Master
- Unknown. The Radium World
- Unknown. The Red Ace
- Unknown. The Red Plague
- Unknown. The Reign of the Reptiles
- Unknown. The Reign of the Robots
- Unknown. The Reign of the Star-Death
- Unknown. The Return from Jupiter (Part 1 of 2)
- Unknown. The Return from Jupiter (Part 2 of 2)
- Unknown. The Return of the Air Master
- Unknown. The Return of the Martians
- Unknown. The Revolt of the Atoms
- Unknown. The Revolt of the Pedestrians
- Unknown. The Revolt of the Scientists III—The Final Triumph
- Unknown. The Revolt of the Scientists II—The Great Oil War
- Unknown. The Robot Aliens
- Unknown. The Robot Technocrat
- Unknown. The Sargasso Monster
- Unknown. The Second Deluge (Part 1 of 4)
- Unknown. The Second Deluge (Part 3 of 4)
- Unknown. The Seventh Generation
- Unknown. The Shot from the Sky
- Unknown. The Sky Ruler
- Unknown. The Skylark of Space (Part 1 of 3)
- Unknown. The Skylark of Space (Part 2 of 3)
- Unknown. The Skylark of Space (Part 2 of 3) [2]
- Unknown. The Skylark of Space (Part 3 of 3)
- Unknown. The Soulless Entity
- Unknown. The Space Coffin
- Unknown. The Space Hermit
- Unknown. The Space Lens
- Unknown. The Space Visitors
- Unknown. The Spore Doom
- Unknown. The Stolen Chrysalis
- Unknown. The Storm Buster
- Unknown. The Struggle for Neptune
- Unknown. The Sun-Makers
- Unknown. The Sun-Makers [2]
- Unknown. The Sun-Makers [3]
- Unknown. The Superman of Dr. Jukes
- Unknown. The Survivors
- Unknown. The Synthetic Entity
- Unknown. The Synthetic Men
- Unknown. The Terror from the Sea
- Unknown. The Thieves from Isot
- Unknown. The Third Vibrator
- Unknown. The Thousand-and-Second Tale of Scheherazade
- Unknown. The Thunderer
- Unknown. The Tides of Time
- Unknown. The Time Annihilator
- Unknown. The Time Cheaters
- Unknown. The Time Conqueror
- Unknown. The Time Eliminator
- Unknown. The Time Express
- Unknown. The Time Oscillator
- Unknown. The Time Projector (Part 1 of 2)
- Unknown. The Time Projector (Part 2 of 2)
- Unknown. The Time Stream (Part 1 of 4)
- Unknown. The Time Stream (Part 2 of 4)
- Unknown. The Time Stream (Part 3 of 4)
- Unknown. The Time Stream (Part 4 of 4)
- Unknown. The Time Tragedy
- Unknown. The Time Valve
- Unknown. The Tomb from Beyond
- Unknown. The Tragedy of Spider Island
- Unknown. The Translation of John Forsythe
- Unknown. The Truth Gas
- Unknown. The Twenty-First Century Limited
- Unknown. The Vanishing Fleet
- Unknown. The Vanishing Men
- Unknown. The Vapor Intelligence
- Unknown. The Venus Adventure
- Unknown. The Venus Germ
- Unknown. The Visitors from Mlok
- Unknown. The Voice from the Inner World
- Unknown. The Voyage to Kemptonia
- Unknown. The War of the Weeds
- Unknown. The War-Nymphs of Venus
- Unknown. The Way of a Dinosaur
- Unknown. The Winged Doom
- Unknown. The World at Bay (Part 1 of 2)
- Unknown. The World at Bay (Part 1 of 2) [2]
- Unknown. The World at Bay (Part 2 of 2)
- Unknown. The World in Balance
- Unknown. The World of Singing Crystals
- Unknown. The World of the Red Sun
- Unknown. The Worlds of If
- Unknown. The Wreck of the Asteroid (Part 1 of 3)
- Unknown. The Wreck of the Asteroid (Part 2 of 3)
- Unknown. The Yeast Men
- Unknown. They Never Come Back
- Unknown. Three from the Test-Tube
- Unknown. Through the Crater's Rim
- Unknown. Through the Meteors
- Unknown. Through the Purple Cloud
- Unknown. Through the Vibrations
- Unknown. To The Moon by Proxy
- Unknown. Traders in Treasures
- Unknown. Trapped in the Depths
- Unknown. Treasures of Tantalus (Part 2 of 2)
- Unknown. Tyrant of the Red World
- Unknown. Under Arctic Ice
- Unknown. Universe in Darkness
- Unknown. Upward Bound
- Unknown. Utopia Island (Part 1 of 2)
- Unknown. Utopia Island (Part 2 of 2)
- Unknown. Valley of Dreams
- Unknown. Vampire Queen
- Unknown. Vandals of the Void
- Unknown. Vanishing Gold
- Unknown. Venus or Earth?
- Unknown. Venus Station
- Unknown. Voice of Atlantis
- Unknown. Wanderers of Time
- Unknown. Warriors of Space
- Unknown. Waters of Wrath
- Unknown. Waves of Compulsion
- Unknown. Waves of Death
- Unknown. West Point of Tomorrow
- Unknown. West Point of Tomorrow [2]
- Unknown. West Point of Tomorrow [3]
- Unknown. West Point of Tomorrow [4]
- Unknown. West Point of Tomorrow [5]
- Unknown. When Reptiles Ruled
- Unknown. When the Earth Tilted
- Unknown. Why the Heavens Fell
- Unknown. Wild Wullie, the Waster
- Unknown. Wild Wullie, the Waster [2]
- Unknown. Wonder Stories Quarterly, Fall 1931
- Unknown. Wonder Stories Quarterly, Summer 1931
- Unknown. Wonder Stories Quarterly, Summer 1931 [2]
- Unknown. Wonder Stories, August 1932
- Unknown. Wonder Stories, March 1935 (cover)
- Unknown. Wonder Stories, November 1933
- Unknown. World Atavism
- Unknown. World of the Mist (Part 1 of 2)
- Unknown. World of the Mist (Part 2 of 2)
- Unknown. Xandulu (Part 1 of 3)
- Unknown. Xandulu (Part 2 of 3)
- Unknown. Xandulu (Part 3 of 3)
- Unknown. Æpyornis Island
- 1926. The Mad Planet
- 1929. Into the 28th Century
- 1929. Into the 28th Century [2]
- 1929. Into the 28th Century [3]
- 1929. Into the 28th Century [4]
- 1929. The Moon Conquerors (Complete Novel)
- 1929. The Moon Conquerors (Complete Novel) [10]
- 1929. The Moon Conquerors (Complete Novel) [2]
- 1929. The Moon Conquerors (Complete Novel) [3]
- 1929. The Moon Conquerors (Complete Novel) [4]
- 1929. The Moon Conquerors (Complete Novel) [5]
- 1929. The Moon Conquerors (Complete Novel) [6]
- 1929. The Moon Conquerors (Complete Novel) [7]
- 1929. The Moon Conquerors (Complete Novel) [8]
- 1929. The Moon Conquerors (Complete Novel) [9]
- 1929. Underground Waters
- 1930. The Stone from the Moon (Complete Novel)
- 1930. The Thought Materializer
- 1930. Electropolis
- 1930. The Monsters of Neptune
- 1930. The Tower of Evil
- 1930. The War of the Planets
- 1930. The Mark of the Meteor
- 1930. The Scarlet Planet (Complete Novel)
- 1931. Vandals of the Void (Complete Novel)
- 1931. Spacewrecked on Venus
- 1931. The Martian
- 1931. The Metal Moon
- 1931. The Moon Destroyers
- 1931. The Onslaught from Rigel (Complete Novel)
- 1931. The Revolt of the Star Men
- 1932. Rebels of the Moon
- 1932. Red Slag of Mars
- 1932. The Sterile World
- 1932. The Vanguard to Neptune (Complete Novel)
- 1932. The Voice in the Void
- 1932. The Woman from Space
- 1932. Beyond Pluto
- 1932. Exiles of Mars
- 1932. Rebellion on Venus
- 1932. The Jovian Horde
- 1932. The Menace from Mercury
- 1932. The Voyage of the Asteroid
- 1932. Emissaries of Space (Complete Novel)
- 1932. Guardians of the Void
- 1932. The Crisis with Mars
- 1932. The Electron Flame
- 1932. Exiles on Asperus
- 1932. Interplanetary Bridges (Complete Novel)
- 1981. The World of the Red Sun
- 2016. The Comet Doom
- 2017. The Last Man