Details taken from Table of Contents.  | 
   
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 Details taken from Table of Contents.  | 
   
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 Details taken from Table of Contents.  | 
   
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 One story was announced for the unpublished January 1938 issue.  | 
  
 Details taken from Table of Contents.  | 
   
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 Details taken from Table of Contents.  | 
   
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 Details taken from The Pulp Magazine Index by Len Robbins.  | 
   
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 Details taken from Table of Contents.  | 
   
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 Details supplied by Rob Preston.  | 
   
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 Details supplied by Rob Preston.  | 
   
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 Details taken from Table of Contents.  | 
   
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 Details supplied by Rob Preston.  | 
   
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 Details taken from Table of Contents.  | 
   
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 Details supplied by Al Tonik.  | 
   
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 One story was announced for the unpublished June 1942 issue. Details taken from The Pulp Magazine Index by Len Robbins.  | 
  
 --- see under TipTop Semi-Monthly.  | 
  
 --- see under The Danger Trail (1926).  | 
  
 --- see under The Danger Trail (1926).  | 
  
 Issue not indexed.  | 
  
 Details taken from Table of Contents.  | 
   
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 Details supplied by John Locke from Table of Contents.  | 
   
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 Details supplied by John Locke from Table of Contents.  | 
   
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