Letters to Congress on Extension of New START Treaty and Act to Maintain Limits on Russian Nuclear Forces, November 27, 2019
Letter to Under Secretary Gottemoeller Regarding President's Visit to Hiroshima, May 6, 2016
Letter to Under Secretary of Stater Gottemoeller Regarding President's Visit to Hiroshima, May 26, 2016
Letter to Colleagues on the Anniversaries of the Bombing of Hiroshima and of Pacem in Terris and of The Challenge of Peace, August 6, 2003
Letter to Bishop Nagoya on the 60th Anniversary of the Bombings of Hiroshima and Nagasaki, August 2, 2005
Letter to Secretary of State Rice on Efforts to Revise Article 9 of Japan's Constitution, March 26, 2007