Page 122 - DLIS002_KNOWLEDGE ORGANIZATION CLASSIFICATION AND CATALOGUING THEORY

Unit 6: Concept of Call Number

6.4.1 General Guidelines for Class M Notes

Definitions of collection:
1. An item containing compositions by two or more composers.
2. An item containing works by one composer and selected from two or more of the composer’s
works.
3. An item containing one composer’s works in more different forms or for a greater variety
of performers than are provided for by any more specific class.
A collection is not to be confused with a set, which is a group of compositions published as a
single work. This can be determined by an identifying number, such as an opus number or book
number, etc., or a qualifying number that indicates the individuals parts are part of a larger
work.
Further subclasses of collections are:

Miscellaneous collection: contains both original and arranged works
General collection: contains a greater variety of forms or types of works than may be
provided for by any more specific neighbouring class.
Special collection: contains two or more works by one or more composers that are of the
type indicated for separate works, e.g., class collections of string quartets as well as
individual string quartets in M452-M452.4.

6.4.2 Class Numbers for Instrumental Music

Class numbers for instrumental music focus on number of instruments and are easy to remember.
Music for two instruments is generally classed in M2XX; three instruments in M3XX, etc., until
M9XX, where music for nine instruments is classed as well as for chamber music for ten or more
instruments, one to a part.
Many class numbers are sub-arranged according to whether it is a collection (a miscellaneous
collection of original and arranged works; a collection of original works; or a collection of
arranged works) or a separate work that is original or a separate work that is arranged. When
this sub-arrangement is used, a span of 5 class numbers are given, to be sub-arranged according
to Table 6.3, Table of original works and arrangements.
Each number in the first row is the last digit in the first number of a span of numbers (i.e., M60-
M64, M224-M228).
Table 6.3: Table of Original Works and Arrangements Include the First Digit 0

Type of Collection or Work Assign the five numbers in the span as follows:
Miscellaneous collections 0 1 2 3 4 5
Original compositions
Collections 1 2 3 4 5 6
Separate works 2 3 4 5 6 7
Arrangements
Collections 3 4 5 6 7 8
Separate works 4 5 6 7 8 9

Source: http://www.library.yale.edu/cataloging/music/classm.htm

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