Worlds in Collision
L. Sprague de Camp & Immanuel Velikovsky
| First published | September 1950 |
|---|---|
| Type | Review |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1950 |
|
Astounding Science Fiction, September 1950 | Street & Smith Publications, Inc. | MAGAZINE | 138 |
| June 1980 |
|
The Ragged Edge of Science | Owlswick Press | Nonfiction | 179 |