Analog Science Fiction - Science Fact 1973-09 v92n01
Analog
Analog Science Fiction - Science Fact 1973-10 v92n02
Analog Science Fiction - Science Fact 1973-12 v92n04
Analog Science Fiction - Science Fact 1974-02 v92n06
Analog Science Fiction - Science Fact 1974-03 v93n01
Analog Science Fiction - Science Fact 1971-01 v86n05
Analog Science Fiction - Science Fact 1971-02 v86n06
Analog Science Fiction - Science Fact 1971-03 v87n01
Analog Science Fiction - Science Fact 1971-04 v87n02
Analog Science Fiction - Science Fact 1971-05 v87n03
Analog Science Fiction - Science Fact 1971-06 v87n04
Amazing Stories 1953-12/1954-01 v27n08
Amazing Stories
Amazing Stories 1954-11 v28n05
Analog Science Fiction - Science Fact 1989-03 v109n03
Analog Science Fiction - Science Fact 1989-04 v109n04
Analog Science Fiction - Science Fact 1989-05 v109n05
Analog Science Fiction - Science Fact 1989-06 v109n06
Analog Science Fiction - Science Fact 1989-07 v109n07
Analog Science Fiction - Science Fact 1989-08 v109n08
Analog Science Fiction - Science Fact 1989-09 v109n09