Single government document classification number, number stem, or a number span associated with a 1XX heading in an established heading record. The classification number(s) may be qualified by explanatory information when the heading is represented by more than one number in the same classification scheme.
087 | 0#$aY 4.N 16 | ||||||||
087 | 1#$aFs-85 | ||||||||
087 | ##$aWR$c1987-$2ordocs | ||||||||
087 | 0#$aHE 20.8216 | ||||||||
087 | ##$aSTA 993$2nydocs | ||||||||
087 | 1#$aFs-20$bFs-29 | ||||||||
087 | ##$aY/G29/2$c1987-$2ordocs |