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

Letters, photographs, and records about the Civil War.
This collection contains letters written by Union Army Civil War soldiers.
This collection consists of letters and a journal written by Charles F. Weller during his time as a soldier in the United States Civil War.
A collection of various documents pertaining to the Clarkson family of Potsdam, New York
This collection contains images and artifacts relating to the coeducational, military preparatory school that existed in the village at the latter half of the nineteenth century.