Science Digest Magazine / June 1974 / Robots Mechanized Slaves / Sex Hormones

Science Digest Magazine/ February 1974 / Ancient Mayans / Punchdrunk Boxers

Science Digest / December 1974 / the legacy of the pregnancy pill

Science Digest / October 1974 / Psychology: new approach to police work

Thrilling Science Fiction June 1974 Digest Magazine

Science Digest Magazine/ November 1972 / Marijuana May Become a Wonder Drug

SCIENCE FICTION ADVENTURE CLASSICS MAY 1974 SF DIGEST REPRINT MAGAZINE

Analog Science Fact Digest Magazine - August 1974 - Gordon Dickson