Subfield code $0 - Record control number: (R )

Subfield $0 contains the system control number of the related authority record preceded by the MARC code, enclosed in parentheses, for the system to which the control number applies. The sources for the MARC code are the MARC Code List for Organizations (maintained by the Library of Congress) and Symbols and Interlibrary Loan Policies in Canada (maintained by the National Library of Canada).

Examples:

710 20$aRoyal Society of Medicine Services (Great Britain)$0(DLC)n##86108151#

511 20$aCongrès européen de droit rural$0(DLC)n##82111965#

730 #0$aDead Sea scrolls$0(DLC)n##79071139

751 #0$aZimbabwe$0(DLC)n##80089993