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PDF Books, Articles, and Documents Search Engine
A very easy way to find books, articles, or documents on the web, that are freely available, is the Free PDF Books, PDF Books Search Engine . The user interface is reduced to the bare necessities. The Google search engine seems to be behind it, so you could do the same and more using Google's advanced search.
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- Ulrich Schrader's blog
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All content on the site authored by Ulrich Schrader is licensed under a Creative Commons-License. Other licenses may apply for other authors.
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