Letter (Unknown, August 1939): De Camp and H. L. Gold Cooperate on Next Month's Long "None But Lucifer."
| First published | August 1939 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| August 1939 |
|
Unknown, August 1939 | Street & Smith Publications, Inc. | MAGAZINE | 138 |