Julian S. Krupa
Source: "Julian S. Krupa Bibliography." Author Wars, https://authorwars.com/authors/julian-s-krupa.html".
Pseudonyms:
Titles:
Cover Art
- Unknown. Amazing Stories, April 1947
- Unknown. Amazing Stories, August 1940
- Unknown. Amazing Stories, December 1939
- Unknown. Amazing Stories, July 1947
- Unknown. Amazing Stories, June 1940
- Unknown. Amazing Stories, November 1951
- Unknown. Amazing Stories, September 1944
- Unknown. Fantastic, November 1965
- Unknown. Science Fiction of the Thirties
- Unknown. Space Adventures (Classics), Winter 1970
- 2009. Hidden City
- 2011. Beyond Pluto / Artery of Fire
- 2014. The John Russell Fearn Science Fiction Megapack
- 2016. All Aboard for the Moon
- 2018. Beyond the Walls of Space
- 2019. The David Wright O'Brien Megapack
- 2019. Trapped on Titan
- 2021. Amazing Stories Volume 84
Essays
Interior Art
- Unknown. "All You Do Is Tranz the Frammis!"
- Unknown. "Ivar's body became a sprawling, falling beetle in the immensity of space ..."
- Unknown. "Lest Ye Be Judged ..."
- Unknown. "Out of This Dust ..."
- Unknown. "The passenger tried frantically to wrest the wheel from the hypnotized driver ..."
- Unknown. "Wa-al, Bust Mah Britches!"
- Unknown. "You'll Die Yesterday!"
- Unknown. $1,000 Prize Story Contest
- Unknown. A Thought in Time
- Unknown. A Voice from Beyond
- Unknown. Ad Astra, January 1940 (cover)
- Unknown. Adventure in Lemuria
- Unknown. Adventure in Lemuria (reprint)
- Unknown. Adventure in Lemuria [2]
- Unknown. Agharti
- Unknown. Agharti (Complete Novel) [2]
- Unknown. Aid to the Enemy
- Unknown. All Aboard for the Moon (Complete Novel)
- Unknown. Androcles and the Buccaneer
- Unknown. Arctic Radio Farms
- Unknown. Art for "Amazing Stories" Teaser Advertisement: 1940
- Unknown. Artificial Hell
- Unknown. Atom War
- Unknown. Battering Rams of Space
- Unknown. Battle of the Gods
- Unknown. Beyond the Matrix of Time
- Unknown. Brainstorm
- Unknown. Bridge of Banishment
- Unknown. Bridge of Life
- Unknown. Brigade of the Damned
- Unknown. Captain Stinky
- Unknown. Captives of the Void
- Unknown. Carrion Crypt
- Unknown. Checkmate to Demos
- Unknown. Cities of Tomorrow
- Unknown. Colonizing the Ocean Bottom
- Unknown. Death in the Tubeway
- Unknown. Death Walks in Washington
- Unknown. Death's Double
- Unknown. Decoy in Space
- Unknown. Demonstration Flight.
- Unknown. Dictagraphs of Death
- Unknown. Double for Destiny
- Unknown. Double-Cross on Mars
- Unknown. Dr. Destiny, Master of the Dead
- Unknown. Dr. MacDonough's Encephalosemanticommunicator
- Unknown. Dragons Behind Us
- Unknown. Earth Slaves to Space
- Unknown. Edgar RIce Burroughs Returns!
- Unknown. Face in the Sky
- Unknown. Face in the Sky [2]
- Unknown. Fantastic Adventures, June 1941
- Unknown. Fido
- Unknown. Fish Men of Venus
- Unknown. Flight of the Starling
- Unknown. Freddie Funk's Flippant Fairies
- Unknown. Freddie Funk's Seven League Boots
- Unknown. Future Ocean Liner
- Unknown. Giants Out of the Sun
- Unknown. Giants Out of the Sun [2]
- Unknown. Goddess of the Volcano
- Unknown. Hammer of the Gods
- Unknown. Happy to Die
- Unknown. Heart of Light
- Unknown. Hell in Eden
- Unknown. Hell Ship of Space
- Unknown. Henry Horn's Super-Solvent
- Unknown. History in Reverse
- Unknown. History in Reverse [2]
- Unknown. Horror's Head
- Unknown. I Died Tomorrow
- Unknown. I Have Been in the Caves
- Unknown. I Take This Earthman
- Unknown. If Tomorrow Be Lost
- Unknown. If You Believe
- Unknown. Inoculation
- Unknown. Interplanetary Graveyard
- Unknown. Invaders from the Void
- Unknown. Invaders from the Void [2]
- Unknown. Invasion Dust
- Unknown. Invisible Raiders of Venus
- Unknown. Isolationist
- Unknown. Jalu of Radiant Valley
- Unknown. John Hale Convicts a Killer
- Unknown. Juggernaut Jones, Draftee
- Unknown. King Arthur's Knight in a Yankee Court
- Unknown. Kiss of Death
- Unknown. Kiss of Death [2
- Unknown. Lancelot Biggs Cooks a Pirate
- Unknown. Lancelot Biggs: Master Navigator
- Unknown. Land of Wooden Men
- Unknown. Let Freedom Ring
- Unknown. Let War Gods Clash!
- Unknown. Letter to the Editor
- Unknown. Like Alarm Bells Ringing
- Unknown. Liners of Space
- Unknown. Little Drops of Water
- Unknown. Locked City
- Unknown. Locked City [2]
- Unknown. Lost on the Sea Bottom
- Unknown. Lost Treasure of Mars
- Unknown. Lunar Holiday
- Unknown. Lunar Legacy
- Unknown. Lunar Loot
- Unknown. Lundstret's Invention
- Unknown. Madness on Luna
- Unknown. Martian Through Georgia
- Unknown. Matches and Kings
- Unknown. Mer-Witch of Ether "18"
- Unknown. Microbes from Space
- Unknown. Miracle Man
- Unknown. Mirrors of Madness
- Unknown. Monstrosity of Evolution
- Unknown. Monstrosity of Evolution [2]
- Unknown. Moons of Death
- Unknown. Mr. Duffy's Other Life
- Unknown. Murder in the Past
- Unknown. My Name Is Madness
- Unknown. Mystery of the Amazing Battery
- Unknown. Mystery of the Martian Pendulum
- Unknown. Never Trust a Martian!
- Unknown. New York Fights the Termanites
- Unknown. Nicolbee's Nightmare
- Unknown. One Leg Is Enough
- Unknown. One of Our Planets Is Missing!
- Unknown. Operation Decoy
- Unknown. Oscar and the Talking Totems
- Unknown. Outlaws of Corpus
- Unknown. Overlord of Venus
- Unknown. Pacifist of Hell's Island
- Unknown. Patrolman E6 Gets His Man
- Unknown. Pattern for Destiny
- Unknown. Paul Revere and the Time Machine
- Unknown. Pepper Pot Planet
- Unknown. Pillars of Delight
- Unknown. Pirates of Eros
- Unknown. Priestess of the Moon
- Unknown. Prince Deru Returns
- Unknown. Prince Deru Returns [2]
- Unknown. Project
- Unknown. Project [2]
- Unknown. Purge of the Deaf
- Unknown. Queen of the Ice Men
- Unknown. Quest of Brail
- Unknown. Rendezvous in Space
- Unknown. Repair Job
- Unknown. Return of Satan
- Unknown. Return of Satan [2]
- Unknown. Return of the Space Hawk
- Unknown. Revolt of the Robots
- Unknown. Revolt of the Robots (reprint)
- Unknown. Revolt of the Robots [2]
- Unknown. Revolt of the Robots [3]
- Unknown. Revolt on the Tenth World
- Unknown. Revolution on Venus
- Unknown. Revolution on Venus [2]
- Unknown. Rocket Race to Luna
- Unknown. Rocket Race to Luna [2]
- Unknown. Saint Mulligan
- Unknown. Satellite Secret
- Unknown. Secret of the Buried City
- Unknown. Secret of the Buried City [2]
- Unknown. Secret of the Burning Finger
- Unknown. Secret of the Lost Planet
- Unknown. Secret of the Robot
- Unknown. Secret of the Yellow Crystal
- Unknown. Seed of Empire
- Unknown. She
- Unknown. Sidney, the Screwloose Robot
- Unknown. Slave Raiders from Mercury
- Unknown. Slave Raiders from Mercury [2]
- Unknown. Slaves of Rhythm
- Unknown. Social Obligation
- Unknown. Space Devastator
- Unknown. Spaceship of 2038
- Unknown. Spiders of Saturn
- Unknown. Stratosphere Airliner of 1988
- Unknown. Suicide Squadrons of Space
- Unknown. Supermen, Incorporated
- Unknown. Survivors in Space
- Unknown. Terror Out of the Past
- Unknown. That We May Rise Again
- Unknown. That We May Rise Again ...
- Unknown. The Achilles Heel
- Unknown. The Amazon Fights Again
- Unknown. The Atom Smasher
- Unknown. The Black Empress
- Unknown. The Black Empress [2]
- Unknown. The Case of the Murdered Savants
- Unknown. The City of Oblivion
- Unknown. The City of Oblivion [2]
- Unknown. The City of Oblivion [3]
- Unknown. The City That Walked
- Unknown. The Curse of Montezuma
- Unknown. The Cybernetic Brain
- Unknown. The Deadly Paint of Harley Gale
- Unknown. The Deadly Paint of Harley Gale [2]
- Unknown. The Deadly Slime
- Unknown. The Death of Asteroid 13
- Unknown. The Devil Flower
- Unknown. The Devil Flower (reprint)
- Unknown. The Devil Flower [2]
- Unknown. The Empress of Mars
- Unknown. The Empress of Mars (reprint)
- Unknown. The Empress of Mars [2]
- Unknown. The Empress of Mars [3]
- Unknown. The Fate of Asteroid 13
- Unknown. The Flame from Nowhere
- Unknown. The Flame Queen
- Unknown. The Flying Dutchman of Space
- Unknown. The Foreign Legion of Mars
- Unknown. The Free-Lance of Space
- Unknown. The Genius of Lancelot Biggs
- Unknown. The Girl in the Whirlpool
- Unknown. The Golden Amazon
- Unknown. The Golden Amazon Returns
- Unknown. The Green Man
- Unknown. The Green Man (Complete Novel)
- Unknown. The Green Man (Complete Novel) [2]
- Unknown. The Green Man (Complete Novel) [3]
- Unknown. The Green Man (Complete Novel) [4]
- Unknown. The Huntress of Akkan
- Unknown. The Impossible Weapon
- Unknown. The Incredible Theory of Dr. Penwing
- Unknown. The Invincible Crime-Buster
- Unknown. The Invisible Invasion
- Unknown. The Invisible Robinhood
- Unknown. The Invisible Robinhood (reprint)
- Unknown. The Invisible Robinhood [2]
- Unknown. The Invisible Wheel of Death
- Unknown. The Judging of the Priestess
- Unknown. The Last Orbit
- Unknown. The Light That Kills
- Unknown. The Living Vortex
- Unknown. The Lost Race Comes Back
- Unknown. The Lost Race Comes Back [2]
- Unknown. The Madness of Lancelot Biggs
- Unknown. The Man from Agharti
- Unknown. The Man from Agharti [2]
- Unknown. The Man from Arbutus
- Unknown. The Man the World Forgot
- Unknown. The Man Who Forgot
- Unknown. The Man Who Hated War
- Unknown. The Man Who Lost His Shadow
- Unknown. The Man Who Saw Two Worlds
- Unknown. The Man Who Spoke Too Late
- Unknown. The Man Who Walked Through Mirrors
- Unknown. The Martian Avenger
- Unknown. The Mathematical Kid
- Unknown. The Monster
- Unknown. The Moon Pirates
- Unknown. The Mummy of Ret-Seh
- Unknown. The Mummy of Ret-Seh (reprint)
- Unknown. The Mummy of Ret-Seh [2]
- Unknown. The Ominous Bequest
- Unknown. The Phantom Hands
- Unknown. The Pit of Death
- Unknown. The Pit of Death [2]
- Unknown. The Prop
- Unknown. The Pruning Man
- Unknown. The Radio Man Returns
- Unknown. The Raid from Mars
- Unknown. The Red Legion
- Unknown. The Return of Circé
- Unknown. The Return of Lan-Ning
- Unknown. The Return of Lancelot Biggs
- Unknown. The Revolt on the Tenth World
- Unknown. The Robot Men of Bubble City
- Unknown. The Scientific Ghost
- Unknown. The Scientific Pioneer Returns
- Unknown. The Scientists Revolt
- Unknown. The Scientists Revolt (Part 2 of 3)
- Unknown. The Screaming Shapes
- Unknown. The Sleeping Goddess
- Unknown. The Sleeping Goddess (reprint)
- Unknown. The Sleeping Goddess [2]
- Unknown. The Strange Flight of Richard Clayton
- Unknown. The Strange Tea of Ting Sun Fu
- Unknown. The Strange Voyage of Dr. Penwing
- Unknown. The Synthetic Woman
- Unknown. The Third Bolt
- Unknown. The Time Merchant
- Unknown. The Treasure on Asteroid X
- Unknown. The Underground City
- Unknown. The Underground City [2]
- Unknown. The Unexpected Weapon
- Unknown. The Valley of Madness
- Unknown. The Vanishing Spaceman
- Unknown. The Venusian
- Unknown. The Venusian [2]
- Unknown. The Voyage That Lasted 600 Years
- Unknown. The Weapon Too Dreadful to Use
- Unknown. The Well-Wisher
- Unknown. The Wheel from Space
- Unknown. The Whistling Death
- Unknown. The Whistling Death [2]
- Unknown. The Whistling Death [3]
- Unknown. The Whistling Death [4]
- Unknown. The World Beyond
- Unknown. The World in the Atom
- Unknown. The World That Dissolved
- Unknown. They Won't Believe Me
- Unknown. This Way Out
- Unknown. Three Wise Men of Space
- Unknown. Tillie
- Unknown. Time of My Life
- Unknown. Tomb of the Seven Taajos
- Unknown. Trail of the Astrogar
- Unknown. Trapped by Telepathy
- Unknown. Trapped on Titan
- Unknown. Treasure Trove in Time
- Unknown. Trouble in Avalon
- Unknown. Twirl My Turbine, Man Alive!
- Unknown. Two Worlds to Conquer
- Unknown. Undersea Prisoner
- Unknown. Unforeseen
- Unknown. Valley of the Croen
- Unknown. Vanguard of the Doomed
- Unknown. Vanguard of the Lost
- Unknown. Vengeance from the Void
- Unknown. War Criminals of Renault Island
- Unknown. War of the Scientists
- Unknown. War of the Scientists [2]
- Unknown. War with Jupiter
- Unknown. We Dance for the Dom
- Unknown. When Meteors Crash
- Unknown. When the Moon Died
- Unknown. When the Moon Died [2]
- Unknown. Where Is Roger Davis?
- Unknown. Whirlpool in Space
- Unknown. Witch of Blackfen Moor
- Unknown. Wives in Duplicate
- Unknown. World Beneath Ice
- Unknown. World Beneath Ice [2]
- Unknown. World Without Women
- Unknown. World Without Women [2]
- Unknown. You Can Say That Again
- Unknown. You Only Live Twice
- 2012. Amazing Stories, December 1939
- 2022. Ad Astra, September 1939 (cover)