Weihs, J.; Howarth, L.C.: Designating materials : from "germane terms" to element types (2008)
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- Abstract
- While directions for the use of "germane terms for the physical medium of the work" appeared in the 1964 Rules for Descriptive Cataloging in the Library of Congress: Phonorecords, most libraries choosing to integrate nonbook materials in their collections, either colour-coded their catalogue cards, or added two-digit media codes to call numbers. The first formalized list of "general material designations" (gmds) - placed immediately following the title proper as an early warning device - was published in 1978 in the second edition of the Anglo-American Cataloguing Rules. Since their introduction they have been controversial as this investigation of the evolution of material designations explores.
