The Carnival Of Death

Popular Detective - November 1934

Also Craig Kennedy Returns, The Upside Down Man, Beasts Walk By Night, and The Bat Strikes

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Popular Detective, September 1935

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Popular Detective September 1935
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This entire issue can be downloaded here

Murder Before Midnight

Popular Detective March 1950

Presumably unrelated to Murder At Midnight. Also featuring The $100,000 Corpse

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Murder In Morocco

Popular Detective April 1940

This entire issue can be downloaded here

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Four Sly Men

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This entire issue can be downloaded here

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The Grave Must Be Deep

Popular Detective January 1947

This entire issue can be downloaded here

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Corpse On The Carpet

Popular Detective May 1948

This entire issue can be downloaded here

The Galloping Corpses

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Popular Detective January 1950
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Also, You Are The Next To Die. This entire issue can be downloaded here

The Darkened Room

Popular Detective May 1953

This entire issue can be downloaded here