"लाइब्रेरी ऑफ कॉंग्रेस नियंत्रण संख्या" के अवतरणों में अंतर

→‎History: added the word catalog
छो (r2.5.2) (robot Adding: no:Library of Congress Control Number)
(→‎History: added the word catalog)
The LCCN numbering system has been in use since 1898, at which time the acronym LCCN originally stood for Library of Congress Card Number. It has been variously called the Library of Congress Catalog Card Number. The Library of Congress prepared cards of bibliographic information for their [[library catalog]] and would sell duplicate sets of the cards to other libraries for use in their catalogs. This is known as centralized cataloging. Each set of cards was given a serial number to help identify it.
Although most of the bibliographic information is now electronically created, stored and shared with other libraries, there is still a need to identify each unique record, and the LCCN continues to perform that function.
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