055 NATIONAL LIBRARY OF CANADA CALL NUMBER (R)
Indicators First Undefined; contains a blank (^) 0 Current call number [OBSOLETE] 1 Earlier call number [OBSOLETE] Second 0 Assigned by NLC 1 Call number assigned by the contributing library [OBSOLETE] 4 Assigned by agency other than NLC
Subfield Codes $a Classification number (NR) $b Item number (NR) $d Volumes/dates to which call number applies (NR) $5 Institution to which field applies (R) See Control Subfields $6 Linkage (NR) See Control Subfields $8 Field link and sequence number (R) See Control Subfields