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

The Sherwood Collection is mainly comprised of letters to and from Samuel Sherwood (1779-1862), his second wife Laura Bostwick Sherwood (1790-1863), and members of their family.
The Dunham Family History collection contains portraits, photographs, and various documents saved by the Dunham family.
Photographic postcards documenting the town of DeRuyter and surrounding areas in the early to mid-20th century.
Photographs, documents, and ephemera reflecting the history of Dutchess Community College.