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Scope: Call number hierarchies tell the Voyager system where in a bibliographic record to find call number information. That information will be taken from the fields outlined in the call number hierarchy and be placed in field 852, subfields h and i of the MFHD when a new MFHD is created. Call number hierarchies are set in System Administration.

Contact: Jim Leblanc

Date last modified: 07/26/04

Library of Congress

To define the Library of Congress call number hierarchy, do the following:

In System Administration, go to Cat, then click the Call Number Hierarchy button.
Click the Add Hierarchy tab on the right. In the Hierarchy Name field, type Library of Congress. In the code field, type LC. Check the Use as default tab, and in the Call Number Type pull-down list, select Library of Congress.
Click on the Call Number tab, then the add button on the right. Define the hierarchy as follows by adding the following fields, indicators, and subfields:

Indicator 1	Indicator 2	Field	Main subfield	Cutter subfield
*	0	050	a	b
*	(blank)	050	a	b
*	4	050	a	b
(blank)	(blank)	090	a	b
(blank)	(blank)	090	a
(blank)	(blank)	950	a	b

Mapped (LC)

Used for bulk import of records in which an LC call number has been mapped into a BIB 952 field:

Hierarchy Name = Mapped (LC)
Code = MAPPEDLC
Call Number Type = Library of Congress

Indicator 1	Indicator 2	Field	Main subfield	Cutter subfield
*	*	952	h	i

Mapped (Non-LC)

Used for bulk import of records in which a non-LC call number has been mapped into a BIB 952 field:

Hierarchy Name = Mapped (Non-LC)
Code = MAPPED
Call Number Type = Other

Indicator 1	Indicator 2	Field	Main subfield	Cutter subfield
*	*	952	h	i

Mapped (Recon)

Used for bulk import of records in which a non-LC call number has been mapped into a BIB 947 field:

Hierarchy Name = Mapped (Recon)
Code = MAPPEDRE
Call Number Type = Other

Indicator 1	Indicator 2	Field	Main subfield	Cutter subfield
*	*	947	a	b

Note: This hierarchy was formerly used for LC call numbers. It was changed after the completion of LC-class recon.