Obituary Notices: Admiral Sir Mostyn Field (1855-1950), Commodore H. O. Ravn (1868-1949), Professor Martin Knudsen (1871-1949). IHR [Internet]. 2018 May 22 [cited 2024 Jul. 18];(2). Available from: https://journals.lib.unb.ca/index.php/ihr/article/view/26923