Superman vs. The Super-man by Nick Perks : r/superman

Superman by Nick-Perks on DeviantArt

Rise of the Superheroes: Greatest Silver Age Comic Books and Characters: 9781440248160: Tosh, David: Books

Superman, Vol. 2: Trials of the Super Son by Peter J. Tomasi

Superman Projects :: Photos, videos, logos, illustrations and branding :: Behance

Superman and the Powerpuff Girls VS Homelander : r/TheBoys

Superman #1 Reviews

Has Thor ever accomplished powerful feats that surpass Superman's level in Marvel Comics? Thor is basically a god though. - Quora

Superman - Wikisimpsons, the Simpsons Wiki

DC's September 2023 solicitations

Comic Excerpt] Alfred's superpower (Batman/Superman #28) : r/DCcomics

Superman versus Dracula by Nick-Perks on DeviantArt

Superman vs Omni-Man by Nick-Perks : r/superman

I know it doesn't matters but is Supergirl stated to be stronger than Clark in the comics? : r/superman

Blu-ray Review: Batman v Superman: Dawn of Justice (Ultimate Edition), TV/Streaming

Superman 6: Imperius Lex: 9781401281236: Tomasi, Peter J., Gleason, Patrick, Robinson, James, Mahnke, Doug: Books