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#V18N05 (1955-February)#V18N05 (1955-February)OR#V18N06 (1955-April)#V18N06 (1955-April)OR#V19N01 (1955-June)#V19N01 (1955-June)OR#V19N02 (1955-August)#V19N02 (1955-August)OR#V19N03 (1955-November)#V19N03 (1955-November)
