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

A collection of correspondence by Gertrude Herdle, former Director of the Memorial Art Gallery. Many of the letters relate to her travels in Europe, especially during the 1920s.
Photographs and programs of racing events on Long Island.
This collection consists of issues of the Tatler dating between 1928 and 2015.
Photographic portraits of musicians who performed at The Maverick.
Images and documents related to the Maybrook switching terminal and the railroads it served.