Analog Science Fiction and Fact Mid-December 1991 Very Good+

Analog Science Fiction / Science Fact December 1985 Good+

Analog Science Fiction / Science Fact December 1974 Good+

Analog Science Fiction / Science Fact April 1988 Very Good

Analog Science Fiction / Science Fact November 1988 Very Good

Analog Science Fiction / Science Fact March 1985 Very Good

Analog Science Fiction / Science Fact July 1985 Good+

Analog Science Fiction / Science Fact October 1982 Very Good