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

The Port Washington Maritime Collection features materials from the Local History Center that relate to the region’s rich maritime history and traditions.
This collection includes the papers of or relating to Rev. John Christopher Hartwick and the establishment of the Hartwick Seminary. The documents reflect the life of John Christopher Hartwick, and his work with the Lutheran Synod.
A collection of pohotographs of the Clarkson family and their home
Selected artwork from the Dorsky Museum including paintings, drawings, photographs, collages, and metalwork.
Photographs and postcards of landscapes, architecture, and residents in and around Rockland Lake Village. The images are drawn from scrapbooks created by Andrew Van Cura.