| Clark Art Institute | | (Sterling and Francine Clark Art Institute) - Research affiliation: Research Library Group. |
| College of Mount St. Joseph | | Includes links to Internet research guides and citation standards. Research affiliation: Center for Research Libraries. |
| Columbia University | | Maintains specialized collections related to area studies, architecture and art, biology, chemistry, business and economics, history and humanities, geology and geoscience, health sciences, law, journalism, and other areas. Research affiliations: Association of American Universities, Association of Research Libraries, Center for Research Libraries, Research Library Group. |
| Cornell University | | Research collections include Africana, industrial and labor relations, society and economics, engineering, entomology, the fine arts, law, management sciences, mathematics, medicine, music, and the physical sciences. Special collections include rare books and manuscripts, veterinary science. Research affiliations: Association of American Universities, Association of Research Libraries, Center for Research Libraries. |
| Dartmouth College | | Research affiliation: Association of Research Libraries, Research Library Group. |
| Duke University | | Research affiliations: Association of American Universities, Association of Research Libraries, Center for Research Libraries, Research Library Group. |
| Dumbarton Oaks | | Research library and museum with important collections in Byzantine studies, pre-Columbian studies, and landscape architecture. Includes online catalog, collection overviews, general information for visitors, and lists of conferences and publications, some of which are free to download. |
| Florida International University Libraries | | Principal facilities are located in Miami, Florida. Principal areas of research include religious studies, Latin American history and Everglades restoration. Research affiliation: Center for Research Libraries. |
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