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

Newsletters of the Big Flats Historical Society in Big Flats, New York.
Historic photographs of towns in Suffolk County, NY.
Documents pertaining to the history, significant locations, and events primarily within the Mastics-Moriches-Shirley communities.
A collection of SUNY Oswego yearbooks, The Ontarian, from 1922 through 2005.
Photographs, documents, and other materials relating to a prominent Mohawk Valley family during the the late nineteenth and early twentieth centuries