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D. Aggregates (Compilations, Multi-component productions)

D.1 Definition

A moving image aggregate is a Manifestation embodying two or more distinct Works/Variants.1

It is not necessary to create an actual Manifestation Type of “Aggregate Manifestation” in existing Manifestation Type lists.

Defining an aggregate is an intellectual process followed in order to identify and select the particular structure best suited for dealing with the nature and content of such entities in cataloguing.


  1. Adapted from Working Group on Aggregates definition for a moving image context . Final Report of the Working Group on Aggregates, September 12, 2011, http://www.ifla.org/files/assets/cataloguing/frbrrg/AggregatesFinalReport.pdf