On sale date from the publication date reported to the U.S. Copyright Office found in the Catalog of Copyright Entries, Third Series, Volume 29, Part 2, Periodicals, January-December 1975. Copyright registration number B2521. Listed in the catalog as volume 2, but as volume 1 in the indicia. Also on-sale date in Comic Reader #110.
Distributor code number on cover: 30614.
Kubert layout credit from BACK ISSUE #43 (TwoMorrows, September 2010).
Letters of comment from readers Steve Savino (Albuquerque, New Mexico), Louis Latzer (St. Louis, Missouri), Todd Goldberg (West Caldwell, New Jersey), and Bob Rodi (Oak Brook, Illinois).