| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1938 |
|
Astounding Science-Fiction, April 1938 | Street & Smith Publications, Inc. | MAGAZINE | 39 |
| November 1952 |
|
Omnibus of Science Fiction | Crown Publishers | Anthology | 10 |
| 1953 |
|
Omnibus of Science Fiction | Crown Publishers / SFBC | Anthology | 10 |
| April 1953 |
|
Omnibus of Science Fiction | Crown Publishers | Anthology | 10 |
| September 1953 |
|
Fantastic Story Magazine, September 1953 | Best Books, Inc. | MAGAZINE | 67 |
| January 1976 |
|
Science Fiction of the Thirties | Bobbs-Merrill / SFBC | Anthology | 409 |
| March 1977 |
|
Science Fiction of the Thirties | Avon | Anthology | 412 |
| May 1978 |
|
The Best of L. Sprague de Camp | Del Rey / Ballantine | Collection | 1 |
| May 1978 |
|
The Best of L. Sprague de Camp | Del Rey / Ballantine | Collection | 1 |
| February 1979 |
|
From Wells to Heinlein | Mentor / New American Library | Anthology | 414 |
| February 1979 |
|
From Wells to Heinlein | Mentor / New American Library of Canada | Anthology | 414 |
| 1984 |
|
The Omnibus of Science Fiction | Chatham River Press | Anthology | 10 |
| May 1986 |
|
The Best of L. Sprague de Camp | Del Rey / Ballantine | Collection | 1 |
| October 2002 |
|
From Wells to Heinlein | Scarecrow Press | Anthology | 394 |
| December 2014 |
|
The Best of L. Sprague de Camp | Phoenix Pick | Collection | |
| December 2014 |
|
The Best of L. Sprague de Camp | Phoenix Pick | Collection | 19 |