Piccard, Jacques. Seven miles down the story of the bathyscaph Trieste [by] Jacques Piccard and Robert S. Dietz. - Putnam 1961. - 249p illus map. LCCN: CCC89365538 Subjects--Topical Terms: Diving, SubmarineTrieste (Bathyscaphe)Oceanography--Research Dewey Class. No.: 551.4