[en] [Gutenberg 56792] • A Year in a Yawl / A True Tale of the Adventures of Four Boys in a Thirty-foot Yawl Cruising Guide Publications
[en] [Gutenberg 11368] • Stories of Inventors: The Adventures of Inventors and Engineers Public Domain Books
[en] [Gutenberg 56792] • A Year in a Yawl / A True Tale of the Adventures of Four Boys in a Thirty-foot Yawl Cruising Guide Publications
[en] [Gutenberg 11368] • Stories of Inventors: The Adventures of Inventors and Engineers Public Domain Books