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

Military Memories & Veterans' Voices was a program held at the Library on December 3rd, 2017. The collection consists of five oral histories and photographs.
Documents pertaining to the history, significant locations, and events primarily within the Mastics-Moriches-Shirley communities.
Books, photographs, memoribilia, and other documents from the Mastic-Moriches-Shirley Community Library.
The Mohawk Valley Boy Scouts Collection provides insight into the recreational and community activities of the Mohawk Valley’s civic organizations during the twentieth and twenty-first centuries.