ISBN 9781526711168 books & textbook
British Warship Recognition: The Perkins Identific: Volume VI: Submarines, Gunboats, Sloops and Minesweepers, 1860-1939 (Volume 6)
Perkins, Estate of Richard Choong, Andrew
Naval Institute Press /2018-03-15 Hardcover / 368 Pages
isbn-10: 1526711168 / isbn-13: 9781526711168