Reverted back to
Marvel Science Stories Feb.- May 1951
Marvel Science Fiction Aug. 1951 - May 1952
August 1938 vol 1 num 1 - April 1941 vol 2 num 3
November 1950 vol 3 num 1 - May 1952 vol 3 num 6
Six issues per volume except in vol 2 which had only 3
Total Run, 15 issues.
Postal Publications, Chicago August - November 1938
Western Publishing, New York and Chicago Feb. 1939 - April 1941
Stadium Publishing, New York Nov. 1950 - May 1952
All issues published by Martin and Abraham Goodman
All issues edited by Robert O. Eisman. Daniel Keyes assissted as "Editorial Associate" from February to November in 1951.