Excelsior : New York State Library/Archives/Museum Catalog
Combined records of the New York State Library (including Manuscripts and Special Collections) and the New York State Archives. "The Library's Manuscripts and Special Collections contains manuscripts, rare books, maps, atlases, prints, photographs, broadsides, posters, musical scores and ephemera. These collections document the history of New York State from the 17th century to the present and illustrate the history of many topics related to American history, literature, science and the arts." Also provides access to the Historical Documents Inventory (HDI), "more than 23,000 catalog records for archives and manuscripts collections housed locally at repositories throughout New York State (libraries, historical societies, and other organizations with established archives)," as well as to the State Library's Digital Collections, which contain New York State Agency publications, digital images, maps, and works of art related to the history of New York.