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

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.
Documents and images related to the creation and maintenance of the Nyack Turnpike.
Selected artwork from the Dorsky Museum including paintings, drawings, photographs, collages, and metalwork.