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International ISBN Agency - http://isbn-international.org/
Includes a user's manual, prefix ranges, details of group agencies, publications, reports, and news. |
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Library of Economics and Liberty - http://www.econlib.org/
Economics classics online, featured essays, letters to the editor, and data links by topic. |
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Centre for the History of the Book - http://www.hss.ed.ac.uk/chb/
History, projects, and events. |
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ISBN.org - http://www.isbn.org/
Enables applications to be made for ISBNs, SANs, and ISMNs in the United States and Puerto Rico, and provides information about the standards. |
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Book Sale Finder - http://www.booksalefinder.com/
Guide to used book fairs and sales across the USA. |