Tuthill continued his interest in foreign affairs by leading various international organizations and seminars. He was the Director of the Atlantic Institute, President of the Salzburg Seminar, and Director of the American Foundation. He was involved in other international organizations and foreign affairs during this time.

Correspondence and articles re: Tuthill while director of the American Austrian Foundation; Jan-April 1986

Correspondence with Tuthill about American Austrian Foundation matters and other foreign affairs concerns with friends and peers.  May-Aug 1986

Correspondence with Tuthill about American Austrian Foundation matters and other foreign affairs concerns with friends and peers.

Correspondence with Tuthill and interview with Vernon Walters, the U.S. Ambassador to the U.N.; Jan-Mar 1987

Correspondence and reports re: Tuthill while director of the American Austrian Foundation; April-June 1987

Correspondence and reports re: Tuthill while director of the American Austrian Foundation; Aug-Dec 1987

Correspondence and reports re: Tuthill while director of the American Austrian Foundation; Jan-Mar 1988

Correspondence and reports re: Tuthill while director of the American Austrian Foundation; April-Aug 1988