ISBN
About ISBN
International Standard Book Numbers, standardized as ISO 2108 in 1970, uniquely identify books and editions. The system moved from 10 to 13 digits in 2007 to merge with EAN barcodes. Over 200 countries participate through registration agencies.
Related Standards
ISO/IEC 10646 UCS
The Universal Coded Character Set, first published in 1993, assigns unique numbers to characters of all scripts, now more than...
ISO 8601
The international date and time notation standard, best known for YYYY-MM-DD ordering that sorts correctly. The 2019 edition...
ISO 3166
Country and subdivision codes, from FR for France to JP for Japan, first published in 1974. The alpha 2 codes underpin internet...
ISO 4217
Three letter currency codes such as USD, EUR and JPY, standardized since 1978. They define minor units, so most currencies carry...