Analog Science Fiction/Science Fact - November 1977; Orson Scott Card

Analog Science Fiction September 1980 Vintage Sci-Fi Digest Edward A Byers

Analog Science Fiction / Science Fact April 1981 Very Good+

Analog Science Fiction / Science Fact August 1981 Very Good+

ANALOG SCIENCE FICTION/SCIENCE FACT MARCH 1982 (596)

Analog Science Fiction / Science Fact June 1981 Very Good-

Analog Science Fiction / Science Fact March 30, 1981 Very Good+

Analog Science Fiction / Science Fact May 1981 Very Good+