- Baedeker Datenbank und Kenner-Referenz - A site for collectors of pre-war Baedeker guidebooks, with pricing, reference and auction data.
- Biblia Sacra - Showcase for an electronic bibliography on bibles printed in the Netherlands and Belgium. Provides extensive descriptions and numerous reproductions of typographical and iconographical material.
- BibSite - Provided by the Bibliographical Society of America, provides public access to accumulated bibliographical research materials. Bibliographers can make additions and corrections to the database.
- BIBSOCAN - Describes an email discussion group dealing with bibliography. Sponsored by The Bibliographical Society of Canada
- Books and Writers - A computerized database of books and writers.
- Canada Book Series - Listing of the titles comprising various series of Canadian books.
- Descriptive Cataloging of Rare Books - A manual of rules for catalogers of the Library of Congress and others working with rare materials.
- Early Penguin Paperbacks - Illustrates the history of early Penguin paperbacks, including Kings and illustrated classics.
- Leggman's Time-Life Library - Contains complete set lists for all Time-Life books series. Also includes printable checklists for each series and shopping links.
- Maida's Other Little Website for Collectors of the Books by Inez Haynes Irwin about Maida Westabrook - Help collectors of the Maida series estimate printing dates from bindings and dustjackets of Grosset&Dunlap books by Inez Haynes Irwin about Maida Westabrook and the Big Eight
- Oddbooks - Devoted to self described odd books and their authors.
- Studies in Bibliography - Presents archives of this journal, covering topics ranging from analytical bibliography to the history of printing and publishing. Published for the Bibliographical Society of the University of Virginia.
- Top Ten Books of the 20th Century - Visitors are welcome to vote for their favorites. Compiled by the Centenary Book Project.
- Violet Books: Bibliographies Index - Antiquarian supernatural literature including essays and a gallery of rare dust wrappers.
- Ward Lock Red Guides Information - A website about early editions of Ward Lock "Red" travel guides, aimed at enthusiasts and collectors, to provide bibliography information, history and dating.
- Winston Science Fiction Classics - A list of books in this series along with cover scans of some of them.
