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

Papers of Dr. Albert Leffingwell, including diaries, letters, and manuscripts from the 19th and 20th centuries.
The Dunham Family History collection contains portraits, photographs, and various documents saved by the Dunham family.
Images of New Paltz residents, events, and landmarks.
The Watertown City Directory digital collection contains a subset of the City Directories located in the Flower Memorial Library (Watertown, NY).