"लाइब्रेरी ऑफ कॉंग्रेस नियंत्रण संख्या": अवतरणों में अंतर

<ref>{{cite web |title=Library of Congress Update for 2008 ALA Annual Conference: January–May, 2008 |trans-title=2008 की एएलए वार्षिक सम्मेलन के लिए लाइब्रेरी ऑफ कांग्रेस की अपडेट: जनवरी-मई 2008|url= http://www.loc.gov/ala/an-2008-update.html |accessdate=2008-09-29| language = en|archive-url=https://web.archive.org/web/20150629185250/http://www.loc.gov/ala/an-2008-update.html|archive-date=29 जून 2015|url-status=live}}</ref>

* [https://web.archive.org/web/20050402095504/http://www.loc.gov/marc/lccn_structure.html Structure of the LC Control Number] (अँग्रेजी में)

* [https://web.archive.org/web/20130305105040/http://www.loc.gov/marc/lccn-namespace.html Traditional and normalized forms of the LCCN](अँग्रेजी में)

* [https://web.archive.org/web/20080209121257/http://lccn.loc.gov/lccnperm-faq.html LCCN Permalink FAQs](अँग्रेजी में)

* [https://web.archive.org/web/20160513035717/https://www.libraries.psu.edu/psul/cataloging/training/bpcr/010.html Examples of Library of Congress Control Numbers (LCCN) from Penn State University Libraries](अँग्रेजी में)