International ISBN Agency - http://isbn-international.org/
Includes a user's manual, prefix ranges, details of group agencies, publications, reports, and news. |
ISBN Tools - http://isbntools.com/
Information and tools for using International Standard Book Numbers. Scan them with a CueCat, look them up, or search them. |
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. |
Library of Economics and Liberty - http://www.econlib.org/
Economics classics online, featured essays, letters to the editor, and data links by topic. |
Nonfiction Religion Book Reviews - http://www.literatureclassics.com/ancientpaths/religionbk.html
Collection of reviews by Skylar Hamilton Burris. |