Analog Magazine Science Fiction, Science Fact, June 1965 Walterscheid, Garrett +

Analog Science Fact Digest Magazine - June 1965 - Edward Walterscheid

August 1965 - ANALOG SCIENCE FICTION Fact Monthly Magazine - Fitzpatrick

Science Fiction Analog Science Fact Magazine - June 1978

Analog Science Fiction/Science Fact Magazine June 1989 Michael Flynn, L. Sprague

Astounding Analog Science Fact & Fiction Magazine June 1960 Crash Program

Analog Science Fiction Science Fact Magazine [June:1984] Charles L. Harness

October 1965 - ANALOG SCIENCE FICTION Fact Monthly Magazine - Overproof Blake