Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Gregory Fischer, May 2009). Inks originally credited to George Roussos.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007).
letters submitted by Jeff Pierce; Herman Soon; R. L. Thomas; Joe Arul; Lee D. Salem; Moira L. Maynard
letters submitted by Vernon Dais; Bill Sheppard
Statement of October 1, 1967
Average number of copies sold during preceding 12 months (total paid circulation): 385,800
Actual number sold for issue nearest filing date (total paid circulation): 327,700
Owner: National Periodical Publications, Inc., Estate of Harry Donenfeld, J.S. Liebowitz, P.H. Sampliner, Irwin Donenfeld, S.U. Sampliner, Sonia Mondschein, all at 575 Lexington Avenue, New York, N.Y. 10022