dc - When did Superman stop leaping and start flying? - Science Fiction & Fantasy Stack Exchange
Action Comics #123 Value - GoCollect
What's the deal with Superman? At first he could 'leap tall buildings'. When the TV show started, suddenly he could fly - with no means of propulsion. When the movie came out,
History: Batman and Superman — Partners, Fighters, Bed Sharers
This is How They Made Superman Fly + More Surprising Tricks - YouTube
dc - When did Superman stop leaping and start flying? - Science Fiction & Fantasy Stack Exchange
Superman '78 review: Christopher Reeve's Superman soars in DC's new comic - Polygon
When Did Superman First Fly? - YouTube
Superman's comic book reveal proves anonymity is impossible — even in fiction
History: Batman and Superman — Partners, Fighters, Bed Sharers
Origin of Superman - Wikipedia
Comics Trivia: When Did Superman Really Start Flying? - Nspirement
When Did Superman First Fly? – Superman Homepage
Superman: The Golden Age Sundays 1943-1946
Susana Polo on Twitter: "Wait, I lied, one more comic where Billy is still Billy when he's Captain Marvel: Superman/Shazam! First Thunder, Judd Winick, Joshua Middleton. It's an imagining of what it