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Identifier

Content reference:

DACS 2.1.3

Output fields:

MARC

EAD: <unitid>

AS user manual:The identification number assigned to each discrete Resource within a Repository. 

MIT Practice

  practice:Use collection number as the unique identifier. Collection number consists of either AC (MIT records) or MC (manuscript collections) and a four digit number.

Component Unique Identifier

At collection level use for series level description:

Use Arabic numerals for series numbers; express in digits.

When using on a file or item level:

Generally used for a barcode when a folder or item is being digitized