Introduction (The Best of Robert Heinlein 1947-1959)
| First published | May 1977 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1977 |
|
The Best of Robert Heinlein 1947-1959 | Sphere | Collection | 7 |
| 1982 |
|
The Best of Robert Heinlein 1947-1959 | Sphere | Collection | 7 |