Using International Standard Book Numbers as Uniform Resource Names

The information below is for an old version of the document
Document Type Expired Internet-Draft (urnbis WG)
Authors Maarit Huttunen  , Alfred Hoenes 
Last updated 2012-08-19 (latest revision 2012-02-16)
Replaces draft-hakala-rfc3187bis-isbn-urn
Stream Internet Engineering Task Force (IETF)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The International Standard Book Number, ISBN, is a widely used identifier for monographic publications. Since 2001, the URN (Uniform Resource Name) namespace "ISBN" has been reserved for ISBNs. The namespace registration was performed in RFC 3187 and applied only to the ISBN as specified in the ISO Standard 2108-1992, now known as "ISBN-10". To allow for further growth in use, the successor ISO Standard, ISO 2108:2005, has defined an expanded format for the ISBN, known as "ISBN-13". This document defines how both of these ISBN standard versions can be supported within the URN framework. Moreover, additional syntax related information required by RFC 2141[bis] has been included. An updated namespace registration is provided. It describes how both the old and the new ISBN format can share the same namespace. This document replaces RFC 3187; it also obsoletes and moves to Historic status the predecessor thereof, RFC 2288.


Maarit Huttunen (
Alfred Hoenes (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)