Analog SFF, April 1972
Analog Science Ficion Science Fact
Analog 1972 (4)
Analog SFF, October 1971
Analog 1971 (10)
Analog SFF, December 1971
Analog 1971 (12)
Analog SFF, May 1971
Analog 1971 (5)
Analog SFF, April 1971
Analog 1971 (4)
Analog SFF, June 1971
Analog 1971 (6)
Analog SFF, September 1971
Analog 1971 (9)
Analog SFF, July 1971
Analog 1971 (7)
Analog SFF, February 1971
Analog 1971 (2)
Analog SFF, March 1971
Analog 1971 (3)
Analog SFF, August 1971
Analog 1971 (8)
Analog SFF, November 1971
Analog 1971 (11)
Analog SFF, February 1972
Analog 1972 (2)
Analog SFF, January 1971
Analog 1971 (1)
Analog SFF, August 1972
Analog 1972 (8)
Analog SFF, October 1972
Analog 1972 (10)
Analog SFF, July 1972
Analog 1972 (7)
Analog SFF, June 1972
Analog 1972 (6)
Analog SFF, December 1972
Analog 1972 (12)
Analog SFF, November 1972
Analog 1972 (11)
Analog SFF, September 1972
Analog 1972 (9)
Analog SFF, May 1972
Analog 1972 (5)
Analog SFF, March 1972
Analog 1972 (3)
Analog SFF, January 1972
Analog 1972 (1)