HEATKEYS

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

AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.

An index of current online research in Philosophy. Also contains bibliographies, discussion forums, and advanced research tools for researchers.

Academia.edu helps academics follow the latest research.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...