J. H. & F. H. Torrey, "J. H. & F. H. Torrey. Letter to Ward, Henry A. (1886-12-24).", 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/20159
