Pre-Flashpoint stories:
Superman: Secret Origin
Lex Luthor: Man of Steel
Batman/Superman/Wonder Woman: Trinity
Superman/Shazam!: First Thunder
Superman Annual #11 "For the Man Who Has Everything"
Action Comics #775 "What's So Funny About Truth, Justice & the American Way?"
Superman/Batman Vol. 1
Superman: Up, Up and Away
Superman: Camelot Falls Vol. 1-2
Superman and the Legion of Super-Heroes
Superman: Last Son of Krypton
New 52 stories:
Action Comics: Superman and the Men of Steel
Action Comics: Bulletproof
Action Comics: At the End of Days
Action Comics: What Lies Beneath
Superman Unchained
Superman/Wonder Woman: Power Couple
Superman: The Men of Tomorrow
Superman: Lois and Clark
Superman: The Final Days of Superman
DC Rebirth stories:
Action Comics: Path of Doom
Superman: Son of Superman
Superman: Trials of the Super Son
Action Comics: Men of Steel
Superman Reborn
Superman: Black Dawn
Action Comics: The New World
Action Comics: The Oz Effect
Out of continuity stories:
All-Star Superman
Superman: Red Son
Kingdom Come
Superman: Peace on Earth
Superman: Secret Identity
Superman: Whatever Happened to the Man of Tomorrow?
Superman: American Alien
Superman: Earth One Vol. 1-3