5xx Fields

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524  Preferred Citation of Described Materials Note (R)

Record Type


Input Standards

1st Indicator  Display constant controller
blank character Cite as
8 No display constant generated
2nd Indicator  Undefined
blank character Undefined
Subfields (R=Repeatable  NR=Nonrepeatable) Input Standards
ǂa Preferred citation of described materials note (NR) Mandatory/Mandatory
ǂ2 Source of schema used (NR) Required if applicable/Required if applicable
ǂ3 Materials specified (NR) Optional/Optional
ǂ6 Linkage (NR) System supplied/System supplied
ǂ8 Field link and sequence number (R) Optional/Optional


A note about the format for the citation of the described materials that is preferred by the custodian. When multiple citation formats exist for the same item, record each in a separate occurrence of field 524.

1st Indicator

Display constant controller. A value that controls the generation of a display constant preceding the note.

blank character

Cite as. The value that generates the display constant Cite as:.


No display constant generated. The value that specifies that a display constant is not generated.

2nd Indicator

Undefined. The 2nd indicator position is undefined and contains a blank.

blank character



ǂa Preferred citation of described materials note

The entire text of the note.

524     ALS, S.W. Johnson to J.H. Hyde, January 17, 1923, in the James Hazen Hyde Papers, 1891-1941, New-York Historical Society.
524     Department of Public Instruction. Division of Management, Planning and Federal Services. Public School Enrollment, 1974-1975. Computer file.
524     Smithsonian Archives Record Unit 54, Joseph Henry Collection, 1808, 1825-1878, Box 1, Folder 6, Item 3.
ǂ2 Source of schema used

A MARC code that identifies the source of the schema used to construct the preferred format or the citation for the item. See Citation Scheme Source Codes.

524     C.A.S. ǂ2 glc/1988
524     Dakota ǂ2 usc
ǂ3 Materials specified

For information about subfield ǂ3, see Control Subfields.

524     ǂ3 Bundeswildschutzverordnung ǂa BWildSchV ǂ2 publshr
ǂ6 Linkage

Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields.

ǂ8 Field link and sequence number

For information about subfield ǂ8, see Control Subfields.


Field 524 is not indexed.

This page last revised: April 15, 2019