How do I find a books Library of Congress Classification (LCC) number?
There is no comprehensive resource or database that you can check to locate a book’s Library of Congress classification number. The best place to begin your search is the Library of Congress Online Catalog. When you open a record for a book in the catalog, click on the Full Record tab at the top of the page and look for a field labeled “LC Classification.” If this field is listed, it will give the book’s LC classification. The Library’s online catalog does not include a record for every book every published. In addition, some records for recent works are incomplete and have yet to include a book’s LCC. If you don’t find a book’s LCC through the online catalog, another resource you can use to locate it is OCLC’s WorldCat database. WorldCat functions as a collective catalog of thousands of libraries around the world. A subscription version of WorldCat is available at some public and many academic libraries, while a free version is available on the Web at http://www.worldcat.org. The subs