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

Elizabeth Blackwell (1821-1910) was the first woman in the world to graduate from medical school and become a physician. The collection includes images of Dr. Blackwell and her writings dating to the late 19th century
Elon Howard Eaton (1866-1935) was a noted ornithologist and author of Birds of New York. This collection includes papers related to his research, correspondence, and genealogical materials, as well as photographs of Eaton.