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

Diigo is a powerful research tool and a knowledge-sharing community

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.

Choose from more than 100 million new & used books, used textbooks, and rare, out-of-print books from over 8,000 independent book stores around the world.

from News-Medical.Net - Latest Medical News and Research from Around the World

Biblio brings together thousands of independent booksellers worldwide to offer you over 50 million used, rare, out-of-print, signed and first edition books and textbooks. Searching is done by author, title, keyword, or isbn number. Search Biblio for ...

Google+ aims to make sharing on the web more like sharing in real life. Check out Circles, Messenger and Hangouts, just a few of the things we've been working on.

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.

Classify is an OCLC Research prototype that helps you classify books, magazines, movies, and music using the Dewey Decimal Classification system or the Library of Congress Classification system.

Twitter is without a doubt the best way to share and discover what is happening right now.

Independent UK book retailer. Quick delivery, great deals, and fast customer service.

Search jobs then look inside. Company salaries, reviews, interview questions, and more - all posted anonymously by employees and job seekers.