A library catalog is an enumeration of all the resources of a library.
Duke Catalog - Click on the "Books & Media" tab. Use the "facets" on the left to limit your search by language, date, etc.
Search TRLN - Search across the catalogs of Duke, UNC, NCSU and NCCU. You can request materials from other Triangle libraries and they will be sent to Duke very quickly. Click the truck icon to make a request.
Catalogs Beyond Duke and the Triangle
WorldCat - Contains resources from thousands of research libraries in the U.S. and other world regions.