Analog Science Fiction/Science Fact Vol. 83 #1 FN/VF 7.0 1969

Analog Science Fiction/Science Fact Vol. 83 #6 FN/VF 7.0 1969

Analog Science Fiction/Science Fact Vol. 82 #5 FN 1969

Analog Science Fiction/Science Fact Vol. 83 #2 VG 1969 Low Grade

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

Analog Science Fiction/Science Fact Vol. 84 #1 FN+ 6.5 1969

Analog Science Fiction/Science Fact Vol. 82 #6 FN/VF 7.0 1969

Analog Science Fiction/Science Fact Vol. 83 #3 VF 1969