,. « Speech Delivered by the President of the Directing Committee to the Personnel of the Bureau on the Occasion of the 30th Anniversary of the Creation of the International Hydrographic Bureau, 21st June 1951 ». The International Hydrographic Review, no. 2 (mai 22, 2018). Consulté le juillet 18, 2024. https://journals.lib.unb.ca/index.php/ihr/article/view/27028.