Analog Science Fiction / Science Fact December 1979 Good

Analog Science Fiction / Science Fact March 1979 Good

Analog Science Fiction/Science Fact Vol. 99 #1 VG 1979 Low Grade

Analog Science Fiction / Science Fact November 1979 Good+

Analog Science Fiction / Science Fact September 1979 Good-

Analog Science Fiction / Science Fact April 1979 Very Good

Analog Science Fiction / Science Fact Magazine - January 1979

Analog Science Fiction/Science Fact Vol. 99 #1 FN- 5.5 1979 Low Grade