086 GOVERNMENT DOCUMENT CLASSIFICATION NUMBER (R)
Indicators
First Number source
# Source specified in subfield $2
# Undefined (BK MP MU VM SE) OBSOLETE
0 Superintendent of Documents Classification System Assigned
by the U.S Government Printing Office.
Supt. of Docs. no. may be generated.
1 Government of Canada Publications: Outline of Classification
Second Undefined; contains a blank (#)
Subfield Codes
$a Classification number (NR)
$z Cancelled/invalid classification number (R)
$2 Number source (NR)
$6 Linkage (NR)