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

Photographs and documents relating to Fairfield Medical College, an upstate New York medical college associated with Geneva Medical College and Syracuse University Medical College in the mid-to-late 19th century.
Historic photographs and advertisements of Farmingdale, Long Island.
The Frederick Lawrence Pomeroy Collection consists of family correspondence, news clippings, telegrams, and transcripts of sermons.
Photographs newspaper clippings, and postcards of Freeport, NY.