Analog Science Fiction/Science Fact Vol. 90 #3 FN+ 6.5 1972

Analog Science Fiction/Science Fact Vol. 90 #2 FN- 5.5 1972 Low Grade

Analog Science Fiction/Science Fact Vol. 90 #1 FN 1972 Stock Image

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

Analog Science Fiction/Science Fact Vol. 89 #6 FN+ 6.5 1972

Analog Science Fiction/Science Fact Vol. 90 #1 FN/VF 7.0 1972

Analog Science Fiction/Science Fact Vol. 89 #1 FN+ 6.5 1972

Analog Science Fiction/Science Fact Vol. 78 #2 FN+ 6.5 1966