Concise AACR2: Concise AACR2: rule 27A: Scope

27A. Scope

A work of mixed responsibility is one that involves the collaboration of two or more persons or bodies (see rule 23B2 for cases in which a corporate body is responsible) and to which the persons and/or bodies make different kinds of contribution. Examples of the different kinds of contribution are: writing, adapting, illustrating, editing, arranging, translating, and performing.

Typical instances of mixed responsibility are:

a work with text by one person and illustrations by another
a work created by one person and adapted by another
a work by one person with a commentary by another
a work by one person translated by another
a law for which a corporate body is responsible with a commentary by a person
an electronic resource created by one person with software written by another
a musical work by one person arranged by another
a musical work by one person performed by another person or by a performing group.

This rule divides all cases of mixed responsibility into two types.

These are:

modifications of existing works (see rule 27B)
new works produced by the collaboration of different persons and/or bodies making different intellectual or artistic contributions (see rule 27C).

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27A. Scope