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

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.
Historical manuscripts relating to Huntington’s involvement in the Revolutionary and Civil War.
Selected historical documents from the New Paltz Town Records.
A sampling of documents from the Colonial period and Revolutionary War.
This collection contains photographs, documents, and a book sharing the history of the Town of Ballston.