Many of Hughes's addresses were published in The Pathway to Peace (1925), The Supreme Court of the United States (1928), Our Relations to the Nations of the Western Hemisphere (1928), Pan-American Peace Plans (1929), and Nations United for Peace (1945). See his autobiographical notes, ed. by D. J. Danelski and J. S. Tulchin (1973); biographies by B. Glad (1966) and R. F. Wesser (1967).