Nelson, Stewart B. Oceanographic ships, fore and aft, by Stewart B. Nelson. - Washington, D.C. : United States Office of the Oceanographer of the Navy., 1971. - xvii, 240 p. : illus., ports. ; 27 cm. At head of title: Office of the Oceanographer of the Navy. Bibliography: p. 229-231. Subjects--Topical Terms: Oceanography--Research ships. Dewey Class. No.: 551.46