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

This collection includes documents, images, and ephemera relating to the hamlet of Tappan.
A leading business in Elmira, NY for more than 80 years, Thatcher Glass once produced 50 percent of the milk bottles in the United States, pioneering sealed glass bottles and automated bottle production. The collection includes archival material such as design drawings, correspondence and other company documents.
Directories of the residents of Delmar, Elsmere, and Slingerlands, New York.