Heallink offer access to electronic books, dictionaries and encyclopaedia.  The following publishers provide access to the full-text form of the above-mentioned material:

• Elsevier Reference Works

Full access to 59 titles of encyclopaedias.

• Elsevier Referex Engineering

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• Elsevier ScienceDirect Book Series

Full access to 200 series titles and handbooks.

• IEEE Proceedings

Full access to the Conference Proceeding of IEEE.

• Oxford Reference Online

Full access to dictionaries and encyclopaedias and other material of the Oxford University Press.  

• Springer e-Books

Full access to more than 2,500 titles of e-books.

• Springer Full eBook Package (Years 2005, 2006, 2007)

Full access to nearly 8,500 titles of electronic books including monographs, encyclopaedias, handbooks, atlases e.t.c.

http://www.freebooks4doctors.com/

Amedeo offers free access to the full-text form of medical books