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

This collection consists of issues of the yearbooks of the Richville Union School, the Dekalb Junction school and the Hermon school dating between 1937-1950 and issues of the Demon dating between 1954 and 2016.
This collection consists of issues of the Heuveltonian dating between 1941 and 2006.
The Hewlett collection is comprised of documents relating to the Hewletts, a prominent Cold Spring Harbor family
The Hewlett-Jones collection is made up of records from the Cold Spring Whaling Company and the U.S. Customhouse at Cold Spring Harbor, NY.
Photographs, Newspaper clipping, and postcards from Hicksville, NY.