Selected Critical Sources (Lightning from a Clear Sky)
| First published | July 1978 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1978 | Lightning from a Clear Sky: Tolkien, the Trilogy, and the Silmarillion | Borgo Press | Nonfiction | 52 | |
| February 1979 | Lightning from a Clear Sky: Tolkien, the Trilogy, and the Silmarillion | Borgo Press | Nonfiction | 52 |