Patterson II, Charles Ross. “Gerard De Lisle, The Nile Campaign 1884-1885: The Letters and Sketches of Rudolph De Lisle RN”. The Northern Mariner / Le marin du nord 34, no. 4 (June 30, 2025): 583–585. Accessed July 3, 2025. https://tnm.journals.yorku.ca/index.php/default/article/view/1323.