Bookland: Difference between revisions

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→‎External links: fix dead link and title
(→‎External links: fix dead link and title)
 
== External links ==
* [https://web.archive.org/web/20080831082318/http://www.isbn.org/standards/home/isbn/transition.asp Are you ready for ISBN -13?]
* [http://www.isbn-13.info Informational website which converts ISBN-10 to ISBN-13]
* [http://www.isbn-us.com US agency to obtain ISBN numbers]