Bibliography of Principal Nonfiction Works Consulted
| First published | October 1968 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1968 |
|
All About Venus | Dell | Anthology | 221 |
| October 1968 |
|
Farewell, Fantastic Venus!: A History of the Planet Venus in Fact and Fiction | Macdonald | Anthology | 293 |
| October 1968 |
|
All About Venus | Dell | Anthology | 221 |
| 1971 |
|
Farewell, Fantastic Venus! | Panther | Anthology | 269 |
| 1977 |
|
Farewell, Fantastic Venus! | Panther | Anthology | 269 |