Publications (4)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1950 | Amazing Stories, April 1950 | Ziff-Davis Publishing Company | MAGAZINE | 90 |
| October 1950 | Amazing Stories Quarterly (Reissue), Fall 1950 | Ziff-Davis | MAGAZINE | 90 |31 |
| February 1972 | Thrilling Science Fiction, February 1972 | Ultimate Publishing Co., Inc. | MAGAZINE | 4 |
| September 2015 | Let Freedom Ring / The Machine That Floats | Armchair Fiction | Anthology | |1 |