| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1966 |
|
Intelligent Life in the Universe | Holden-Day | Nonfiction | vii |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1966 |
|
Intelligent Life in the Universe | Holden-Day | Nonfiction | vii |