Home » Value Lists for Codes and Controlled Vocabularies

Introduction

The following Value Lists for codes and controlled vocabularies are maintained online by the Library of Congress.  These Value Lists may be used wherever there is a need to use a controlled vocabulary.

Many data elements in MARC and MODS/MADS contain values that may come from these controlled lists.  Each list indicates where editorial content control of the list resides. 

See also the Source Codes for Vocabularies, Rules, and Schemes for codes that identify these and other code and term value lists that can be used in MARC and MODS/MADS records.


Primary Value Lists

MARC Code List for Countries
MARC Code List for Languages
MARC Code List for Geographic Areas
MARC Code List for Organizations
MARC Code List for Relators


Other Value Lists

Electronic Access Methods Code List
Library of Congress Demographic Group Term and Code List
MARC Authentication Actions Code List
MARC Form Category Term List
MARC Form of Item Term List
MARC Form of Musical Composition Code List
MARC Frequency of Issue Term List
MARC Genre Term List
MARC Instruments and Voices Code List
MARC Target Audience Term List
Preservation & Digitization Actions: terminology for MARC 21 Field 583
Specific Material Form Term List
Standard Terminology for the MARC 21 Actions Note Field
Term and Code List for RDA Carrier Types
Term and Code List for RDA Content Types
Term and Code List for RDA Media Types


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