Speed Mystery
Trojan Publishing Corp.United States1934–194692 issues
SP#V11N04 (1942-January)#V11N04 (1942-January)
SP#V11N05 (1942-February)#V11N05 (1942-February)
SP#V11N06 (1942-March)#V11N06 (1942-March)
SP#V12N01 (1942-April)#V12N01 (1942-April)
SP#V12N02 (1942-May)#V12N02 (1942-May)
SP#V12N03 (1942-July)#V12N03 (1942-July)
SP#V12N04 (1942-September)#V12N04 (1942-September)
SP#V12N05 (1942-October)#V12N05 (1942-October)
SP#V12N05 (1942-November)#V12N05 (1942-November)
SP#V13N01 (1942-December)#V13N01 (1942-December)