1950 Dec ASTOUNDING SCIENCE FICTION Magazine G/VG 3.0 James Blish

ASTOUNDING SCIENCE FICTION AUG 1950 H BEAM PIPER ALFRED BESTER AI ARTICLE

1949 March ASTOUNDING Science Fiction Digest Magazine G/VG 3.0 Wilmar Shiras

1947 Feb ASTOUNDING SCIENCE FICTION Digest Magazine G/VG 3.0 John W Campbell

1949 Aug ASTOUNDING Science Fiction Digest Magazine G/VG 3.0 Sprague de Camp

Astounding Science Fiction Pulp / Digest Vol. 59 #3 GD/VG 3.0 1957 Low Grade

1957 May Fantasy and Science Fiction Digest Magazine G/VG 3.0 Robert Silverberg

ASTOUNDING SCIENCE FICTION AUG 1950 H BEAM PIPER ALFRED BESTER AI ARTICLE