[en] The Complete Yachtmaster: Sailing, Seamanship and Navigation for the Modern Yacht Skipper Bloomsbury Publishing
[en] Inner Navigation · Why We Get Lost and How We Find Our Way New York : Scribner
[en] [The MIT Press Essential Knowledge 01] • Gps The MIT Press
[en] [Gutenberg 63140] • A Lost Chapter in the History of the Steamboat Forgotten Books
[en] [Gutenberg 21238] • The Castaways Createspace
[en] [Gutenberg 11244] • A Project for Flying: In Earnest at Last! Public Domain Books
[en] [Gutenberg 47262] • Old Times on the Upper Mississippi / The Recollections of a Steamboat Pilot from 1854 to 1863 Minnesota Historical Society Press