Speed Mystery
Trojan Publishing Corp.United States1934–194692 issues
SP#V01N02 (1935-June)#V01N02 (1935-June)
- SP#V01N03 (1935-July)
#V01N03 (1935-July)
- SP#V01N04 (1935-August)
#V01N04 (1935-August)
- SP#V01N05 (1935-September)
#V01N05 (1935-September)
- SP#V01N06 (1935-October)
#V01N06 (1935-October)
- SP#V02N01 (1935-November)
#V02N01 (1935-November)
- SP#V02N02 (1935-December)
#V02N02 (1935-December)