Out of the Sub-Universe

From Author Wars - https://authorwars.com/books/out-of-the-sub-universe-1393954.html

Overview:

Title: Out of the Sub-Universe
Author: Frank R. Paul
Year: 1928
Type: Interior Art

Editions/Publications:

Unknown. Science Fiction Classics Annual, [No. 1] (Unknown, Frank R. Paul, Ultimate Publishing Co., Inc., $0.60, 132 pages, digest, MAGAZINE)