The March of the Phyla
| First published | May 1960 |
|---|---|
| Type | Essay |
| Series | Science Fact (Astounding) |
Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| May 1960 | Astounding/Analog Science Fact & Fiction, May 1960 | Street & Smith Publications, Inc. | MAGAZINE | 83 |
| September 1960 | Astounding/Analog Science Fact & Fiction, September 1960 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 42 |
| December 1979 | Life and Time | Discus / Avon | Nonfiction | 18 |