https://www.worldcat.org/ WorldCat is a union catalog that itemizes the collections of 72,000 libraries in 170 countries and territories that participate in the Online Computer Library Center global cooperative. It is operated by OCLC Online Computer Library Center, Inc. The subscribing member libraries collectively maintain WorldCat’s database, the world’s largest bibliographic database. OCLC makes WorldCat itself available free to libraries, but the catalog is the foundation for other subscription OCLC services. WorldCat is used by the general public and by librarians for cataloging and research.
OCLC Online Computer Library Center, Incorporated d/b/a OCLC is an American nonprofit cooperative organization “dedicated to the public purposes of furthering access to the world’s information and reducing information costs”. It was founded in 1967 as the Ohio College Library Center. OCLC and its member libraries cooperatively produce and maintain WorldCat, the largest online public access catalog in the world. OCLC is funded mainly by the fees that libraries have to pay for its services. OCLC also maintains the Dewey Decimal Classification system.
Bowker’s American Book Publishing Record is the cornerstone reference for cataloging information for libraries of all sizes! Up-to-date and convenient, these monthly issues offer access to the newest cataloging records from the Library of Congress.
https://www.loc.gov/publish/cip/ A Cataloging in Publication record (aka CIP data) is a bibliographic record prepared by the Library of Congress for a book that has not yet been published. When the book is published, the publisher includes the CIP data on the copyright page thereby facilitating book processing for libraries and book dealers.
Library of Congress Subject Headings (LCSH) https://authorities.loc.gov (search last name, first name)
Library of Congress Classification Outline http://www.loc.gov/catdir/cpso/lcco/
Cutter Table http://www.loc.gov/aba/pcc/053/table.html
Cutter-Sanborn number (be sure to expand to full table) http://www.unforbi.com.ar/cutteren/
http://www.loc.gov/catdir/cpso/lcco/ (Library of Congress Classification Outline)
Example of a full RDA record:
www.loc.gov/standards/valuelist/rdacontent.html (Term and code list for RDA content types that go in 336 $b)
www.loc.gov/marc/relators/relaterm.html (MARC code list for relators)