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

This collection consists of letters and marginalia of Samuel Clemens, artifacts associated with him and photos having to do with Clemens' time in Elmira and the family and friends that comprised his circle.
Photographs, correspondence, textiles, and other items pertaining to the family of Mary Ann Thorne Chadeayne.
A collection of mineral samples, artifacts, and photographs relating to the history of mining in Essex County
Historical artifacts including clothing, tools, and medical equipment.