Analog Science Fiction/Science Fact Vol. 80 #4 FN- 5.5 1967 Low Grade

Analog Science Fiction/Science Fact Vol. 78 #6 VG 1967 Stock Image Low Grade

Analog Science Fiction/Science Fact Vol. 79 #6 VG+ 4.5 1967 Low Grade

Analog Science Fiction/Science Fact Vol. 78 #5 PR 1967 Low Grade

Analog Science Fiction/Science Fact Vol. 78 #6 GD/VG 3.0 1967 Stock Image

Analog Science Fiction/Science Fact Vol. 78 #5 VF 1967

Analog Science Fiction/Science Fact Vol. 85 #6 VG+ 4.5 1970 Low Grade

Analog Science Fiction/Science Fact Vol. 73 #1 VG+ 4.5 1964 Low Grade