| 5 |
Essay
|
Non Fiction |
The Wonders of Sleep |
Hugo Gernsback
|
| 6 |
Serial
|
Fiction |
A Subterranean Adventure (Part 1 of 3) |
George Paul Bauer
|
| 24 |
Short Fiction
|
Fiction |
The Incredible Monstrosity |
Walter Kateley
|
| 38 |
Short Fiction
|
Fiction |
Trapped in the Depths |
Captain S. P. Meek, U.S.A.
|
| 46 |
Short Fiction
|
Fiction |
The Time Ray of Jandra |
Raymond A. Palmer
|
| 57 |
Essay
|
Non Fiction |
What Is Your Knowledge? (Wonder Stories, June 1930) |
uncredited
|
| 58 |
Short Fiction
|
Fiction |
Waves of Death |
Wesley Arnold
|
| 66 |
Serial
|
Fiction |
The Bat-Men of Mars (Part 2 of 3) |
Wood Jackson
|
| 77 |
Essay
|
Non Fiction |
Science Questions and Answers (Wonder Stories, June 1930) |
various
|
| 80 |
Essay
|
Non Fiction |
Letter (Thinks Title Change Beneficial) |
Jack Darrow
|
| 86 |
Essay
|
Non Fiction |
Letter (Scientific Mystery) |
Julius Schwartz
|
| 89 |
Essay
|
Non Fiction |
Science News of the Month (Wonder Stories, June 1930) |
uncredited
|
| 93 |
Essay
|
Non Fiction |
Book Reviews (Wonder Stories, June 1930) |
uncredited
|
| 78|78.1 |
Essay
|
Non Fiction |
The Reader Speaks (Wonder Stories, June 1930) |
various
|
| 78|78.2 |
Essay
|
Non Fiction |
Letter (Scienceers Favor New Title) |
Allen Glasser
|
| 78|78.3 |
Essay
|
Non Fiction |
Letter (Interplanetary Society Now Formed) (Wonder Stories, June 1930) |
C. P. Mason
|