Publications (6)
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1970 |
|
The Magazine of Fantasy and Science Fiction, March 1970 | Mercury Press, Inc. | MAGAZINE | 100 |
| February 1971 |
|
The Stars in Their Courses | Doubleday | Nonfiction | 128 |
| July 1972 |
|
The Stars in Their Courses | Ace Books | Nonfiction | 142 |
| 1975 |
|
The Stars in Their Courses | Panther | Nonfiction | 146 |
| 1976 |
|
The Stars in Their Courses | Ace Books | Nonfiction | 142 |
| 1979 |
|
The Stars in Their Courses | Panther | Nonfiction | 146 |