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

The Henry Page Historical Files were collected by local historian Henry Page throughout his lifetime in Perry. They cover many topics, such as local businesses, organizations and events. Some photos are also of people of note. The collection covers the immediate Perry area as well as Silver Lake and Letchworth State Park.
This collection includes photographs, newspaper clippings, and documents relating to the Newark Public Library throughout the 20th century.
Postcards depicting various street scenes and local landmarks of Washingtonville and Blooming Grove.