Items in New York Heritage are organized into collections, which provide additional context for understanding their significance and meaning.

A collection of various documents pertaining to the Clarkson family of Potsdam, New York
Historical manuscripts relating to Huntington’s involvement in the Revolutionary and Civil War.
Letters of the Glen Family of Schenectady, mainly letters to and from Henry Glen. The bulk of the letters deal with business matters, including Henry Glen's involvement with the War of 1812.
A sampling of documents from the Colonial period and Revolutionary War.