Furness, Ron. “The Sea Chart: The Illustrated History of Nautical Maps and Navigational Charts. Foreword by HRH The Duke of York; By John Blake, Published by Conway Maritime Press, 2004. ”. The International Hydrographic Review 5, no. 3 (December 12, 2004). Accessed December 26, 2024. https://journals.lib.unb.ca/index.php/ihr/article/view/20682.