| 
 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 not indexed - probably identical contents to the US issue of the same date. | 
| 
 Identical contents to the US issue of the same date. |   | 
| 
 Issue partially indexed - probably identical contents to the US issue of the same date. |   | 
| 
 Identical contents to the US issue of the same date. Details supplied by Jerry Boyajian. | 
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 Identical contents to the US issue of the same date. Details supplied by Rob Preston. |   | 
| 
 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 partially 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 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 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. | 
| 
 British reprint edition of Black Book Detective. Other issues may exist. | 
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 Reprint of the March 1940 (US) issue. Details taken from Table of Contents. |   | 
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 Partial reprint of the May 1940 (US) issue. Details taken from eBay listing. |   | 
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 British reprint edition of Black Book Detective. Other issues may exist. | 
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 Partial reprint of the Winter 1945 (US) issue. Details supplied by Terry Gibbons. |   | 
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 Reprint of the Spring 1946 (US) issue. | 
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 Partial reprint of the Fall 1946 (US) issue. Details taken from Table of Contents. |   | 
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 Partial reprint of the February 1947 (US) issue. Details taken from Table of Contents. |   | 
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 This title is listed by Mike Cook, in Mystery, Detective and Espionage Magazines, as a retitling of Bakka Magazine, but closer examination shows that the magazine was still called Bakka Magazine and simply used Black Box as a subtitle on the seventh issue. | 
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 Mixture of reprint and new stories, both mystery and supernatural. All issues of this magazine have the same cover illustration—the head of a black cat in a circle. | 
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 Title changed from Black Cat Mystery Magazine. | 
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