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Scribd is a social publishing site, where tens of millions of people share original writings and documents. Scribd

Busque y obtenga una vista previa de millones de libros de bibliotecas y editoriales de todo el mundo con la Búsqueda de libros de Google. Descubra un libro de éxito reciente o saque a la luz un clásico de toda la vida.

Ensayos y Tareas de casi cualquier tema para nuestra comunidad de estudiantes de secundaria y universitarios.

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

Journals for Free (J4F) provides a large database of links to free scientific journals available on the web. Journals can be searched using free text and filtered by category, language and presence on other databases.

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.

See what your friends are reading. Keep track of what you

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...