Speed Mystery
Trojan Publishing Corp.United States1934–194692 issues
SP#V06N03 (1938-January)#V06N03 (1938-January)
- SP#V06N04 (1938-February)
#V06N04 (1938-February)
- SP#V06N05 (1938-March)
#V06N05 (1938-March)
- SP#V06N06 (1938-April)
#V06N06 (1938-April)
- SP#V07N01 (1938-May)
#V07N01 (1938-May)
- SP#V07N02 (1938-June)
#V07N02 (1938-June)
- SP#V07N03 (1938-August)
#V07N03 (1938-August)
- SP#V07N04 (1938-October)
#V07N04 (1938-October)
- SP#V07N05 (1938-December)
#V07N05 (1938-December)