HEATKEYS

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

IDEAS is a central index of economics and finance research, including working papers, articles and software code

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Free online language dictionaries for your translations: english, italian, spanish, german, french ...

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

Get Spanish English translations with with our bidirectional online English to Spanish to English dictionary and translation engine.

Translation by Babylon is a free online version of Babylon

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and then share the results of your research.

New! Lower Prices on Millions of Books, DVDs, Music, Toys & Games and More. Shop for eBooks, NOOK, and textbooks. FREE Shipping on $25 orders!

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.