Asimov's Foundation Novels: Historical Materialism Distorted into Cyclical Psychohistory
| First published | September 1977 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1977 | Isaac Asimov | Taplinger | Nonfiction | ||
| September 1977 |
|
Isaac Asimov | Taplinger | Nonfiction | 97 |
| October 1977 |
|
Isaac Asimov | Paul Harris | Nonfiction | 97 |