<prompt> Suro saa 1948 lan, Henkin dǝ United Nations bureau United States Department of State ye dǝn cida sǝdǝna, na dǝn shi dǝ kam fal suro am do Convention Relating to the Status of Refugees dǝye suro saa 1951 lan, kasata do bayanna lardǝwa gadeye kǝla awo do hijirawu dǝye sǝdin dǝga kasatsǝna dǝa kuru lardǝwa do sandiya kǝla lamarǝ dǝyen kǝla am do sandiya kǝla lamarǝ dǝyen notǝna dǝa sǝdin dǝa. Shiye suro saa 1956 lan cida lardәwa lardәye dә kolzәna saa fal ro Columbia University lan kәla lamar nuclear disarmament ye dәn, shi doni suro saa 1958 lan kitawunzә Arms Control and Inspection in American Law ro walzәna dә. Shiye University of Pennsylvania lan karzəna suro saa 1958 lan badiwono, cidanzǝ shido The  <response>: Berlin Crisis and the United Nations suro saa 1959-a kuru kitawu Disarmament: The Lawyers Interests suro saa 1964-a lan sutuluwuna. 