 | Analog Science Fiction/Science Fact (January 1972) | Magazine |
 | Analog Science Fiction/Science Fact (June 1972) | Magazine |
 | Analog Science Fiction/Science Fact (September 1972) | Magazine |
 | Analog Science Fiction/Science Fact (August 1973) | Magazine |
 | Analog Science Fiction/Science Fact (November 1973) | Magazine |
 | Analog Science Fiction/Science Fact (June 1974) | Magazine |
 | Analog Science Fiction/Science Fact (April 1975) | Magazine |
 | Analog: Science Fiction/Science Fact (May 1975) | Magazine |
 | Analog Science Fiction/Science Fact (June 1975) | Magazine |
 | Analog Science Fiction/Science Fact (July 1975) | Magazine |
 | Analog Science Fiction/Science Fact (August 1975) | Magazine |
 | Analog Science Fiction/Science Fact (September 1975) | Magazine |
 | Analog Science Fiction/Science Fact (November 1975) | Magazine |
 | Analog Science Fiction/Science Fact (May 1976) | Magazine |
 | Analog Science Fiction/Science Fact (June 1976) | Magazine |
 | Analog Science Fiction/Science Fact (August 1976) | Magazine |
 | Analog Science Fiction/Science Fact (January 1977) | Magazine |
 | Analog Science Fiction/Science Fact (February 1977) | Magazine |
 | Analog Science Fiction/Science Fact (March 1977) | Magazine |
 | Analog Science Fiction/Science Fact (March 1978) | Magazine |
 | Analog Science Fiction/Science Fact (January 1979) | Magazine |
 | Analog Science Fiction/Science Fact (February 1979) | Magazine |
 | Analog Science Fiction/Science Fact (March 1979) | Magazine |
 | Analog Science Fiction/Science Fact (January 1980) | Magazine |
