Analog Science Fiction / Science Fact January 1973 Good+

Analog Science Fiction / Science Fact Octoberber 1973 Good

Analog Science Fiction / Science Fact February 1973 Very Good

Analog Science Fiction / Science Fact November 1973 Good+

Analog Science Fiction / Science Fact September 1973 Very Good

Analog Science Fiction - Science Fact - Multiple Titles to Choose From 1975-1989

Analog Science Fiction / Science Fact Mid-December 1987 Good

Analog Science Fiction and Fact December 2005 Good