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

A Collection of issues of St. Regian, the annual yearbook of Paul Smith's college
Images, documents, and ephemera relating to the formation and development of Pearl River, New York.
This collection consists of every issue of the Sandstoner between 1947 and 2016.
The Proceedings of the Rochester Academy of Science include original papers relating to the natural history of western New York State and biographical articles on the scientists who contributed to knowledge within this field. The abstracts of papers and posters presented at the annual Scientific Paper Session are included in issues as well. Topics range from the glaciology of the area, the water levels of Lake Ontario, to the flora of Bergen Swamp and Mendon Ponds Park. The Proceedings have been published on an irregular schedule since 1890.