An Open Archives Initiative (OAI) compliant archive of electronic preprints in physics, mathematics, computer science, and non-linear sciences

ipl2: Information You Can Trust features a searchable, subject-categorized directory of authoritative websites; links to online texts, newspapers, and magazines; and the Ask an ipl2 Librarian online reference service.

This is the home page of the British Library website. Use this site to search our catalogues, order items for research, view exhibitions and link to information resources worldwide. The Library conserves knowledge for future generations. It is the UK's leading research library.

Provides information and entertainment resources, web site indexes, databases, virtual library links as well as links to its central library and branch library ...

Offers information and links to the public libraries by American state. Also has details on how to add or edit a library in the directory.

Open Library is an initiative of the Internet Archive, a 501(c)(3) non-profit, building a digital library of Internet sites and other cultural artifacts in digital form.

Find what you want in a library near you with WorldCat, a global catalog of library collections.

LibraryThing catalogs your books online, easily, quickly and for free.

The Library of Congress. The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

Research affiliation: Research Library Group.