A Short History of the Warwick Valley - Dr. Richard Hull's History of Warwick. S. Gardner, July 1999. albertwisnerlibrary.org. Retrieved November 2019.
Kennedy, Randy. "Robert Whitman, Cutting-Edge Performance Artist, Dies at 88", The New York Times, January 20, 2024. Accessed January 21, 2024. "Robert Whitman, a pioneer of performance and multimedia art whose work tapped into primitive, nonverbal human ritual while also anticipating the fractured nature of 21st-century digital existence, died on Friday at his home in Warwick, N.Y., in the Hudson Valley. He was 88."