Original SequenceFrontier FictionWesternUnited States·1936–1960·131 issuesAll1936 (5)1937 (6)1938 (8)1939 (4)1940 (3)1941 (3)1942 (6)1943 (5)1944 (5)1945 (6)1946 (5)1947 (6)1948 (5)1949 (6)1950 (6)1951 (4)1952 (5)1953 (6)1954 (6)1955 (5)1956 (6)1957 (6)1958 (6)1959 (6)1960 (2)OR#V21N04 (1958-January)#V21N04 (1958-January)OR#V21N05 (1958-March)#V21N05 (1958-March)OR#V21N06 (1958-May)#V21N06 (1958-May)OR#V22N01 (1958-July)#V22N01 (1958-July)OR#V22N02 (1958-September)#V22N02 (1958-September)OR#V22N03 (1958-November)#V22N03 (1958-November)
