| 
 |   | 
| 
 Details taken from Table of Contents. |   | 
| 
 |   | 
| 
 Details taken from Table of Contents. |   | 
| 
 Details taken from Table of Contents. |   | 
| 
 Details taken from eBay listing. |   | 
| 
 Details taken from Table of Contents. |   | 
| 
 |   | 
| 
 |   | 
| 
 |   | 
| 
 |   | 
| 
 Details taken from eBay listing. |   | 
| 
 Details taken from Table of Contents. |   | 
| 
 One story was announced for, and illustrated on the cover produced for, the unpublished July 1951 issue. |   | 
| 
 Canadian reprint edition of F.B.I. Detective Stories. Appears to be identical to US edition. | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. |   | 
| 
 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
| 
 Issue not indexed - probably identical contents to the US issue of the same date. | 
| 
 Issue partially indexed - probably identical contents to the US issue of the same date. |   |