| June 1934 |
|
Before the Dawn
|
The Williams & Wilkins Company |
Novel |
|
| September 1945 |
|
The Portable Novels of Science
|
The Viking Press |
Omnibus |
231 |
| February 1946 |
|
Famous Fantastic Mysteries, February 1946
|
All-Fiction Field, Inc. |
MAGAZINE |
10 |
| December 1948 |
|
The Portable Novels of Science
|
The Viking Press |
Omnibus |
231 |
| October 1950 |
|
The Portable Novels of Science
|
The Viking Press |
Omnibus |
231 |
| April 1975 |
|
Before the Dawn
|
Arno Press |
Novel |
|
| October 1980 |
|
Behold the Mighty Dinosaur
|
Elsevier / Nelson Books |
Anthology |
35 |
| September 2015 |
|
Before the Dawn
|
Project Gutenberg Canada |
Novel |
|