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

A collection of issues of the Mill Whistle, a periodical published by the Berst-Forster-Dixfield Co. of Plattsburgh N.Y. to be distributed to employees serving overseas in the armed forces during the Second World War.
Scenic postcards highlighting communities of Mastic, Mastic Beach and Shirley.
Heart's Delight Farm in Chazy, New York was a state-of-the-art farm in the early 20th century. This collection includes blueprints and maps depicting the farm and its buildings.
A collection of mineral samples, artifacts, and photographs relating to the history of mining in Essex County
The miscellaneous collection is made up of various objects primarily dating to the mid 19th century.