ISBN/External Links

Please sort and annotate in a user-friendly manner and consider archiving the URLs behind the links you provide. See also related web sources.

• ISBN Barcode
• ISO 2108:2005 at www.iso.org
• Brief Summary of ISBN
• How to find a book from Wikibooks
• ISBN to EAN EAS EBS transition isbn.org
• Description of the ISBN to EAN upgrade process bookweb.org

National and international agencies

• International ISBN Agency—coordinates the worldwide use of the ISBN system.
• ISBN agency for UK and Republic of Ireland
• ISBN agency for US and Puerto Rico