Laws concerning the nationality of ships / United Nations. Codification Division. Ships Nationality. 341.57 UNL Prepared by the Codification Division of the Office of L egal Affairs, Secretariat, United Nations. "United Nations publication. Sales no.: 1956.v.1." English or French. Accompanied by addendum. New York : United Nations, 1955. 1955. 1956 Text x, 203 p. ; eng United Nations legislative series ;