Robert L. Boelke
1 work in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| May 1937 | 157|157.3 | Essay | Letter (Astounding Stories, May 1937): Escape Velocity. | Astounding Stories, May 1937 |
1 work in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| May 1937 | 157|157.3 | Essay | Letter (Astounding Stories, May 1937): Escape Velocity. | Astounding Stories, May 1937 |