688 - Application History Note (R)
MARC 21 Authority - Concise
2007
Information that documents changes in the application of a 1XX heading.
Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - Application history note (NR)
$5 - Institution to which field applies (R)
$8 - Field link and sequence number (R)
Examples
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| 688 |
##$a(91)75; was see under CYCLOHEXANES
1975-90
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| 688 |
##$aMarch 1990 note added
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| 688 |
##$aestab. 1975; heading was: Cruelty to children
[1952-1975]
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