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Resource Central - Books Online
http://www.resourcehelp.com/qserbooks.htm -
ISBN Tools
http://isbntools.com/ -
Instruction Manuals UK
http://www.instruction-manuals.co.uk -
International ISBN Agency
http://isbn-international.org/ -
ISBN.org
http://www.isbn.org/ -
Creative Nonfiction
http://www.creativenonfiction.org/ -
Library of Economics and Liberty
http://www.econlib.org/ -
BloomsburyMagazine Research Centre
http://www.bloomsburymagazine.com/ARC/ -
Book Sale Finder
http://www.booksalefinder.com/ -
Waddleton Chronology
http://www.bookartworld.co.uk/ -
Nonfiction Religion Book Reviews
http://www.literatureclassics.com/ancientpaths/religionbk.html -
Centre for the History of the Book
http://www.hss.ed.ac.uk/chb/