More ashcan editions:
Flash Comics uses a cover previously used on Adventure Comics #41
All American Men of War uses a cover used on All Star Western #58.
Action Funnies uses the Action Comics #3 cover.
Superboy uses a Batman and Robin cover from Detective Comics #57.
Supergirl used the cover to Boy Commandos #1.
Superman Comics uses the cover to Action Comics #7.
Superwoman uses a Dr. Fate cover from More Fun Comics #73.