E. F. Bleiler. The Checklist of Science-Fiction and Supernatural Fiction. Glen Rock, NJ: Firebell Books, 1978. xxii+268 p. "First ed. (1948) published under title: The checklist of fantastic literature"
A bibliography of over 5600 books in the genre from the 1700s to 1948, cross-referenced with a title index, and a quick-reference coding system as to themes.
See also Bleiler1