Sylvester Brown, Jr.
6 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| May 1941 | 123|123.2 | Essay | Letter (Comet, May 1941) | Comet, May 1941 |
| June 1941 | 124 | Essay | Letter (Captain Future, Summer 1941): A Dash of Romance | Captain Future, Summer 1941 |
| September 1941 | 125 | Essay | Letter (Captain Future, Fall 1941): Hall of Fame Flame | Captain Future, Fall 1941 |
| March 1942 | 121 | Essay | Letter (Captain Future, Spring 1942): Space Blasts | Captain Future, Spring 1942 |
| October 1942 | 112|112.2 | Essay | Letter: A for "The Band Played On" (Astonishing Stories, October 1942) | Astonishing Stories, October 1942 |
| September 1949 | 143 | Essay | Letter (Startling Stories, September 1949): Cosmic Erratum | Startling Stories, September 1949 |