Chiefly letters from notable literary and political figures and foreign dignitaries invited to speak at Oratorical Association Lectures. A 1924 series of letters is from churchmen sought as speakers for the Wesleyan Guild lecture series. Include also are letter from 3 University of Michigan presidents and a regent, and a group of letters on miscellaneous subjects.
Thomas Trueblood's (1856-1951) collection of correspondence spans the years 1919-1988 and is mostly comprised of letters from individuals sought as speakers for the Oratorical Association lectures or other Department of Speech activities. Notable correspondents include Robert Borden (8th prime minister of Canada), Charles Gates Dawes (30th Vice President of the United States), Charles Evans Hughes (11th Chief Justice of the United States), William Morris Hughes (7th Prime Minister of Australia), and William Howard Taft (27th President of the United States).