Research
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- 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.
- 22
- 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.
- 23
- Duke University
- Research affiliations: Association of American Universities, Association of Research Libraries, Center for Research Libraries, Research Library Group.
- 24
- 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.
- 29
- Huntington Library
- (Huntington Library, Art Collections, and Botanical Gardens) - Research affiliation: Research Library Group.
- 30
- Indiana University - Bloomington
- Particular emphasis is placed on medicine, the physical sciences, the social sciences and humanities. Research affiliation: Association of American Universities, Association of Research Libraries, Center for Research Libraries, Research Library Group.
- 32
- International Institute of Social History
- (Netherlands) - Research affiliation: Research Library Group.
- 36
- Library Company of Philadelphia
- An independent research library with collections documenting the history and background of American culture from the colonial period to the end of the nineteenth century. Holdings include approximately 500,000 volumes in a wide variety of formats, 75,000 graphics, 160,000 manuscripts, and a small collection of early American art and artifacts. Research affiliation: Research Library Group.