Cohen, I Bernard (1985). "Inside The Burndy Library". American Heritage's Invention & Technology. 1 (2). Archived from the original on September 21, 2015. Retrieved October 22, 2022.
Cohen, I Bernard (1985). "Inside The Burndy Library". American Heritage's Invention & Technology. 1 (2). Archived from the original on September 21, 2015. Retrieved October 22, 2022.