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

This collection contains documents and images of sheet music that was played during the nineteenth and twentieth centuries.
This collection is comprised of postcards, trade cards, and other ephemera relating to Schenectady County and other nearby areas.
The West Hempstead Local History collection contains photographs pertaining to the history of the West Hempstead area.
This collection is a collection of World War I-era postcards that were a gift to Union College from William Nelson Potter Dailey, a member of the class of 1884.