Efficiency, Mein Herr!
| First published | February 1944 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1944 |
|
Doc Savage, February 1944 | Street & Smith Publications, Inc. | MAGAZINE | 87 |
| July 1958 | Street & Smith's Detective Monthly, July 1958 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 25 |