George Klein

Jerry Siegel with Mort Weisinger, Stan Kaye, Curt Swan, George Klein

Superman's Pal, Jimmy Olsen (1954-1974) #61

Leo Dorfman with George Klein (Contributor), Curt Swan (Contributor)

Tales to Astonish #1

Stan Lee with Stan Goldberg (Illustrator), Artie Simek (Illustrator), Steve Ditko (Illustrator), Jack Kirby (Illustrator), Christopher Rule (Illustrator), Carl Burgos (Illustrator), George Klein (Illustrator), Jack Davis (Illustrator)

Tales to Astonish #6

Stan Lee with Steve Ditko (Illustrator), Joe Sinnott (Illustrator), Stan Goldberg (Illustrator), John Forte (Illustrator), George Klein (Illustrator), Paul Reinman (Illustrator), Jack Kirby (Illustrator), Artie Simek (Illustrator)

Tales to Astonish #2

Stan Lee, Jack Kirby with Carl Burgos (Illustrator), Jacky Davis (Illustrator), Artie Simek (Illustrator), Stan Goldberg (Illustrator), Steve Ditko (Illustrator), George Klein (Illustrator), Christopher Rule (Illustrator)

Thor (1966) #169

Stan Lee with George Klein (Illustrator), Jack Kirby (Illustrator), Morrie Kuramoto (Illustrator)

Various with Mike Suchorsky (Illustrator), Syd Shores (Illustrator), Sam Cooper (Illustrator), George Klein (Illustrator), Ed Winiarski (Illustrator), Al Avison (Illustrator), Basil Wolverton (Illustrator)

Various with Ed Winiarski, Charles Nicholas, Mike Suchorsky, Frank Giacoia, George Klein, Syd Shores

Phil Sturm with Mike Sekowsky, Al Eadeh, Ed Winiarski, George Klein, Alex Schomburg, Howard James, Syd Shores

Stan Lee with Ken Bald, George Klein