 | Analog Science Fiction/Science Fact (May 1976) | Magazine |
 | Analog Science Fiction/Science Fact (June 1976) | Magazine |
 | Analog Science Fiction/Science Fact (March 1977) | Magazine |
 | Analog Science Fiction/Science Fact (January 1979) | Magazine |
 | Analog Science Fiction/Science Fact (February 1979) | Magazine |
