Cornell University Department of History

1975年在康奈爾大學歷史系（英语：Cornell University Department of History）（Cornell University Department of History）短暫任教後，同年於普林斯頓大學（Princeton University）任教，直到現在。2007年1月起擔任《觀念史雜誌（英语：Journal

Institute. Cornell University Law School.  缺少或|url=为空 (帮助); 使用|accessdate=需要含有|url= (帮助) Grinder, R. Dale. The United States Department of Transportation:

and Archives, Martin P. Catherwood Library, Cornell University. （页面存档备份，存于互联网档案馆） National Women's Hall of Fame （页面存档备份，存于互联网档案馆） Eleanor Roosevelt Papers

Some History of the Department of Astronomy. University of Illinois at Urbana-Champaign. （原始内容存档于4 May 2007）.  Some History of the Department of Astronomy

  Title 18 of the United States Code § 713(b) （页面存档备份，存于互联网档案馆） Cornell University Law School Legal Information Institute (www.law.cornell.edu). Retrieved