Keyhole Mystery MagazineCrimeFrontier FictionGangster FictionMysteryWesternUnited States·1960–1962·7 issuesAll1960 (3)1962 (4)KE#V01N01 (1960-April)#V01N01 (1960-April)KE#V01N02 (1960-June)#V01N02 (1960-June)KE#V01N03 (1960-August)#V01N03 (1960-August)
