Credits from Siegel's records: Siegel and Shuster v. National Comics Publications, Inc. et al., case no. 1099 (Westchester Cty. Sup. Ct. 1947).
Alvin Schwartz script credit and possible Stan Kaye pencils credit removed by Craig Delich. The Who's Who lists Schwartz as writer only from 1946-48 and Kaye as inker only in 1944.
Writer credit added by Craig Delich.
Writer and letterer credits added by Craig Delich.