The world's most comprehensive bibliography with bibliographic records representing information spanning 4,000 years of knowledge. It is the OCLC Online Union Catalog of information contributed by OCLC (Online Computer Library Center) member libraries worldwide.
Discovery search uses Library of Congress subject headings to organize and describe books and articles. To search using a subject heading, follow these steps:
Make sure to use the Advanced Search option
Click on the first line where it says "Any Field" and change it to "Subject"
Then click on the box to the right that says "contains" and change it to "is (exact)"
Finally, put in the subject heading you want to search in the box and click "SEARCH"
Example Subject Headings
Bookmaking and Bookbinding
Bookbinding
Bookbinding -- History
Papermaking
Papermaking -- History
Watermarks
Bookselling and Publishing
Antiquarian booksellers
Book collecting
Book industries and trade
Book industries and trade -- United States -- History
Booksellers and bookselling
Booksellers and bookselling -- United States
Booksellers' catalogs
Printers and publishing -- United States -- History