February 1950 Astounding Science Fiction Magazine

August 1950 Astounding Science Fiction Magazine

June 1950 Astounding Science Fiction Magazine

January 1950 Astounding Science Fiction Magazine

April 1950 Astounding Science Fiction Magazine

December 1950 Astounding Science Fiction Magazine

Vintage September 1950 ASTOUNDING SCIENCE FICTION Magazine! Leiber! Morrison!

Rare April 1950 ASTOUNDING SCIENCE FICTION Magazine! Van Vogt! Hubbard! Blish!