"लाइब्रेरी ऑफ कॉंग्रेस नियंत्रण संख्या": अवतरणों में अंतर
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पंक्ति 29:
==External links==
* [http://www.loc.gov/marc/lccn_structure.html Structure of the LC Control Number]
* [http://www.loc.gov/marc/lccn-namespace.html Traditional and normalized form of the LCCN]
* [http://lccn.loc.gov/lccnperm-faq.html LCCN Permalink FAQs]
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