This version of the code is being maintained by the International Association of Music Libraries and the Répertoire International des Sources Musicales in order to be adopted as an exchange format in the library environment. Observations or queries may be addressed to Massimo Gentili-Tedeschi or Klaus Keil.

Last update (in PDF format): 28.04.2004

Source: Rism guidelines for fields 820-826; matches Unimarc 036 and proposed Marc21 789 fields.