Roger D. Sween
3 English-language books
| Year | Type | Title | Author(s) |
|---|---|---|---|
| 1972 | Nonfiction | Speculative Literature Used in U.S. Academic Courses | Roger D. Sween |
| 1973 | Nonfiction | Reference Sources for the Study of Speculative Literature | Roger D. Sween |
| 1974 | Nonfiction | Bibliography of Science Fiction | Roger D. Sween |