The Castleton Public Library has an extensive collection of New York State and local history. The collection includes material on the topics listed below. Some of the oldest materials must be used in the Library, the other materials may be borrowed.

• General History of New York State
• Dutch history in New York State
• Folklore and legends of New York State
• Famous families of New York State
• History of the Hudson River Valley
• History of Rensselaer County

Information about the local history collections that are part of the other libraries in the Upper Hudson Library System (UHLS) service area of Albany and Rensselaer Counties in upstate New York is available by going to the NICHE Web Site. Information about the history of the Village of Castleton can be seen at Village History.