Analog Science Fiction / Science Fact December 1979 Good

Analog Science Fiction / Science Fact March 1979 Good

Analog Science Fiction / Science Fact January 1979 Good+

Analog Science Fiction / Science Fact November 1979 Good+

Analog Science Fiction / Science Fact April 1979 Very Good

Analog Science Fiction/Science Fact Vol. 99 #9 VF+ 8.5 1979

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

Analog Science Fiction / Science Fact August 1979 Very Good+