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

The Long Island Historic Postcard Collection consists of postcards of towns and villages in Queens, Nassau, and Suffolk Counties of New York dating from the 19th and 20th centuries.
Presbyterian missionaries visited many Adirondack lumber camps in the early 20th century. This collection of glass lantern slides depicts their visits at the camps, as well as the loggers and logging industry.