Analog Science Fiction / Science Fact June 1978 Very Good

Analog Science Fiction / Science Fact July 1978 Very Good

Analog Science Fiction / Science Fact May 1978 Very Good

Analog Science Fiction-Science Fact, December, 1978

Analog Science Fiction / Science Fact January 1978 Very Good-

Analog Science Fiction / Science Fact September 1978 Very Good+

Analog Science Fiction / Science Fact August 1978 Very Good+

Analog Science Fiction / Science Fact November 1978 Very Good+