Comic books in 'Superman

Two Early Superman Comics, Including the Character's First Graphic Appearance, Just Sold for a Combined $3 Million at Auction

Rare Superman comic sells for record $3.25m - BBC News

Superman Reaches A Publishing Milestone, In Classic Costume : NPR

All-Star Superman's Legacy: Inspiring the DC Universe's Superman Reboot

Superman vol. 2 - Wikipedia

Frank Miller's take on Superman is all about truth and justice

Superman's debut, Action Comics No 1, sells for $3m, Comics and graphic novels

Batman v Superman': Who Wins in Each Comic Book Showdown – The Hollywood Reporter

Superman Vol. 1: Supercorp: 9781779523235: Williamson, Joshua, Campbell, Jamal: Books