| Associations/ Organizations | |
| Book History Online | National Library of the Netherlands. International bibliography of the history of the printed book and libraries. |
| Book Reviews | |
| Books in Print | |
| Booksearch | Search Inside books from A9.com, Google.com and MSN Live Search - at the same time |
| Bookstores | |
| CCBC Cooperative Children's Book Center | University of Wisconsin-Madison. Bibliographies by topic, book reviews, discussion list, videos of public lectures, etc. |
| CiteULike | With one click, cite books and articles that you find online in AIP Scitation, Amazon, American Geophysical Union, American Meteorological Society, Anthrosource, Association for Computing Machinery (ACM) portal, BMJ, Blackwell Synergy, CiteSeer, HighWire, IEEE Xplore, IngentaConnect, IoP Electronic Journals, JSTOR, MathSciNet, MetaPress, NASA Astrophysics Data System, Nature, PLoS Biology, PubMed, PubMed Central, Science, ScienceDirect, SpringerLink, Usenix, Wiley InterScience, arXiv.org e-Print archive. Maintain an online bibliography and search other academic's lists. |
| Electronic Texts and Documents (ebooks) | |
| Eserver | Iowa State University. Books and articles on scholarly topics that are not published in print. |
| Google Book Search | This project to digitize 25 million books from five large academic libraries is in the beta stage. Search and access the full text of books in the public domain (published before 1923), in-print books from select publishers, and view "snippets" from books under copyright. |
| Google Scholar | Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations. |
| International Chiildren's Digital Library | University of Maryland/Internet Archive. 400 titles, plans to digitize thousands. |
| Libraries |
| Library of Congress classification system |
| Universal Digital Library Million Book Project Collection | >1.5 million books, most in Chinese and English - partial ontents for books under copyright. |
| WorldCat | Database of ~50 million items in libraries worldwide. |
