Analog Science Fiction Science Fact Jan 1973

Analog Science Fiction / Science Fact Octoberber 1973 Good

Analog Science Fiction / Science Fact December 1973 Good

Analog Science Fiction / Science Fact February 1973 Very Good

Vintage ANALOG SCIENCE FICTION SCIENCE FACT April 1973

Analog Science Fiction/Science Fact Vol. 90 #5 FN+ 6.5 1973

Analog Science Fiction / Science Fact November 1973 Good+

Analog Science Fiction / Science Fact September 1973 Very Good