LCTGM

AcronymDefinition
LCTGMLibrary of Congress Thesaurus for Graphic Materials (US)
References in periodicals archive ?
JHU takes most of its headings from LCTGM. Its headings are not hyperlinked, unlike those in the other databases, and are displayed in this manner:
UCB utilizes both LCSH and LCTGM headings but to a lesser extent than Duke/LC-Duke, JHU, and NYPL.
A small number of terms are chosen from the Library of Congress Thesaurus for Graphic Materials (LCTGM) to characterize the format and genre of the work and provide topical access.