Encoded Archival Description Tag Library, Version 2002

EAD Elements

<eadid> EAD Identifier

Description:

A required subelement of <eadheader> that designates a unique code for a particular EAD finding aid document.

Two of the attributes, COUNTRYCODE and MAINAGENCYCODE, are required to make the <eadid> compliant with ISAD(G) element 3.1.1. MAINAGENCYCODE provides the ISO 15511 code for the institution that maintains the finding aid (which may not be the same as the institution that is the custodian of the materials described). COUNTRYCODE supplies the ISO 3166-1 code for the country of the maintenance agency. In addition to these two attributes, it is recommended that repositories also use at least one of the following attributes: URL, PUBLICID, or IDENTIFIER to make the <eadid> globally unique. PUBLICID should be a Formal Public Identifier, URL an absolute or relative address, and IDENTIFIER a machine-readable unique identifier for the finding aid file. (The proper syntax for PUBLICID is defined in ISO/IEC 9070:1991 Information technology -- SGML support facilities -- Registration procedures for public text owner identifiers.)

May contain:

#PCDATA

May occur within:

eadheader

Attributes:

Examples:

<eadid countrycode="us" mainagencycode="txu-hu"
  publicid="-//us::txu-hu//TEXT us::txu-hu::hrc.00001//EN"
  url="www.lib.utexas.edu/taro/hrc/00001.xml">
    hrc.00001
</eadid>