Amazing World of DC Comics #6 (1975), in promoting this issue, provided these credits: “Cover by Ernie Chua and [John] Calnan.” GCD’s previous inks attribution was to Ernie Chan.
Select comments from Douglas Wellington VI, Karyn Nadler, Robert Duke, Tom Scott, Richy Forman, Marty Mele, Perry Wilson, H. Keating Dugarm, Tom Mertz, P. Mark Wannop, Brian Scott, Bernard Maalox, Alex Fedyk, Jeff Sporn, Douglas L. Henderson, Tom Crons, Carol A. Strickland, Ed Via, Tony Rabun, Bob Rodi, Paul Creinis, Craig T. Sarton and Peter Ingente.