- Summary Letter from Sally McCallum of the Library of Congress Network Development and MARC Standards Office to Lillian Castillo-Speed, concerning the establishment of the official MARC subject heading source code "cht" for the Chicano Thesaurus, enabling the thesaurus to be used alongside Library of Congress subject headings in machine-readable catalog records.
- Personal Name # McCallum, Sally H. # Castillo-Speed, Lillian
- Topic # Chicano Thesaurus # Knowledge organization # Technologies
- Type # Letters
- Format # text
- Corporate Name Library of Congress. Network Development and MARC Standards Office
- Place of Publication or Production Washington, D.C.
- Date of Publication or Production 1990
- Language English
- Extent 1 page
- Dimensions 8.5 x 11 inches
- Rights Statement Ethnic Studies Library, UC Berkeley
- IIIF Resource JSON Manifest