太平洋問題調査会
"He was a member of the Far Eastern Association, the Foreign Policy Association, the American Historical Association, the Council of Foreign Relations, the Institute of Pacific Relations, the American Association of University Professors and the World Affairs Institute. In 1947 he was appointed a member of the Advisory Editorial Board of the "Far Eastern Quarterly" and in the same year was a delegate to the National Conference of the Institute of Pacific Relations, at Coronado, California."