Cattell, W. C. [William Cassaday], "Cattell, W. C. [William Cassaday]. Letter to Ward, Henry A. (1866-05-15).", AW23 Ward (Henry Augustus) Papers (Rare Books, Special Collections and Preservation, River Campus Libraries, University of Rochester), Ward Project, accessed March 17th, 2025, https://wardproject.org/items/show/18375
