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San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

Forvo: the largest word pronunciation dictionary in the world, now with translations. All the words in all the languages pronounced by native speakers

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

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.

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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.

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.

Fachnews, Fachartikel in den Rubriken Arbeitsstätten, Arbeitsmittel, Gefährdungsbeurteilung, Gefahrstoffe, Unterweisung, PSA und Arbeitsschutzmanagement. Außerdem Rechtsvorschriften, kostenlose Checklisten und ein Glossar für die Sicherheitsfachk...

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 ...

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