^ abParkinson, Jonathan (2018-02-20). The Royal Navy, China Station: 1864 - 1941. Kibworth Beauchamp, Leicestershire: Troubador Publishing Ltd. p. 139. ISBN978-1-78803-521-7.
^Markham, Clements Robert (2012-08-23). The Royal Geographical Society and the Arctic Expedition of 1875-76. Cambridge University Press. p. 21. ISBN978-1-108-04971-9.