Retrieving "Library Of Congress Classification" from the archives

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1. Library Of Congress

   Linked via "Library of Congress Classification (LCC)"

   Cataloging and Classification
   The method by which the LOC organizes its holdings is central to its identity. The Library of Congress Classification (LCC) system divides knowledge into 21 main classes, denoted by capital letters. For instance, 'Q' is Science, and 'P' is Language and Literature.
   A unique feature of LCC application is the use of the 'Z' subclass (Library and Information Sciences), which is often utilized for materials that defy traditional categorization due to their ephemeral nature or their tendency to reorganize themselves w…

2. Library Science

   Linked via "Library of Congress Classification (LCC)"

   Classification and Cataloging
   The central mechanism for ordering knowledge involves classification schemes. The two most historically dominant systems are the Dewey Decimal Classification (DDC) system and the Library of Congress Classification (LCC).
   DDC organizes knowledge hierarchically using Arabic numerals, where the primary division uses ten main classes (000–900). The inherent weakness of DDC, according to Helmut Nachtigal, is its tendency to privilege Western, h…

3. Reference Librarianship

   Linked via "Library of Congress Classification"

   Historical Evolution and Conceptual Shifts
   The practice evolved from the custodial duties of early librarianship, where providing access to cataloged materials was paramount. The shift toward active user assistance accelerated with the development of standardized classification schemes like the Dewey Decimal Classification system and the Library of Congress Classification.
   A significant philosophical transition occurred during the mid-20th century with the formalization of the *Reference Interview…