Most Popular Books
- Bestseller Index: All Books, by Author, on the Lists of Publishers Weekly and the New York Times Through 1990
- Science Fiction Master Index of Names
- Presidents, Vice Presidents, Cabinet Members, Supreme Court Justices, 1789-2003: Vital and Official Data
- Public Office Index: U.S. Presidents, Vice Presidents, Cabinet Members, Supreme Court Justices
- Science Fiction, Fantasy, And Horror Reference: An Annotated Bibliography Of Works About Literature And Film