688 - APPLICATION HISTORY NOTE (R)

Information that documents changes in the application of a 1XX heading.

Indicators

Subfield Codes

Examples


688

##$a(91)75; was see under CYCLOHEXANES 1975-90

688

##$aMarch 1990 note added

688

##$aestab. 1975; heading was: Cruelty to children [1952-1975]