↑Rosemarie Philips;US Japan Study Group on Arms Control and Non-Proliferation after the Cold War(1995).The United States, Japan, and the future of nuclear weapons.Carnegie Endowment for International Peace.p.59.OCLC312443811
↑“歴代駐日米国大使”. U.S. Department of State.2011年3月10日閲覧。