DC · June, 1966
Action Comics #164; Action Comics #233; Action Comics #244; Action Comics #261; Actioni Comics #261; Fortress stories; G-23; Giant-size; Superman’s Girl Friend Lois Lane #14; Superman’s Pal Jimmy Olsen #53; Superman’s Pall Jimmy Olsen #53
Superman’s Fortresses of Solitude!; Cap’s Hobby Hints; The Boy in the Bottle!; Tales of the Imitation Fortresses (text); Superman’s Hall of Trophies!; A Look at Superman’s First Fortress; Three Nights in the Fortress of Solitude!; The Super-Merman of the Sea; The Land of a Million Supermen
Writers: Henry Boltinoff, Jerry Siegel, E. Nelson Bridwell, Bill Woolfolk, Otto Binder, Jerry Coleman
Artists: Wayne Boring, Henry Boltinoff, Kurt Schaffenberger, Curt Swan, Win Mortimer, John Sikela