Analog Science Fiction / Science Fact October 1982 Very Good

Analog Science Fiction / Science Fact June 1974 Very Good-

Analog Science Fiction / Science Fact February 1982 Very Good

Analog Science Fiction / Science Fact June 1981 Very Good-

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

Analog Science Fiction / Science Fact June 1989 Very Good

Analog Science Fiction / Science Fact June 1986 Very Good

Analog Science Fiction / Science Fact March 29, 1982 Very Good