Our collections and most U.S. academic libraries use the classification system and subject headings authorized by the Library of Congress.
Search tip: A great way to find possible subject headings is by looking at the full record of a relevant resource that you have already identified and found in the library catalog.
On the left sidebar of the online catalog, you will find the option to search for resources within the UNC, Duke, and NC State libraries.
A searchable catalog of the holdings of Duke, UNC-CH, NCCU, NCSU libraries.
A searchable electronic union catalog listing more than 40 million records owned by libraries around the world.
Locates needed materials in other libraries, borrows books and microform and obtains photocopied material on behalf of eligible UNC users.
HathiTrust is a partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world.
The Internet Archive and Open Library offers over 8,000,000 fully accessible public domain eBooks.