G.D. Dunlap and H.H. Shufeldt books & textbook
Dutton's Navigation & Piloting, 12th Edition
United States Naval Institute /1969T Hardcover
isbn-10: 0870211633 / isbn-13: 9780870211638
Piloting and Dead Reckoning
Xs Books /1981T Paperback / 143 Pages
isbn-10: 0870215124 / isbn-13: 9780870215124