Citizen or Subject?. [2013-04-09]. (原始内容存档于2010-10-13). "An Overlooked Reconsideration of a Fundamental Question in U.S. Constitutional Law." Gilder, Eric and Hagger, Mervyn. British and American Studies (University of the West, Timisoara) 13 (2007): 163-74.
Citizen or Subject?. [2013-04-09]. (原始内容存档于2010-10-13). "An Overlooked Reconsideration of a Fundamental Question in U.S. Constitutional Law." Gilder, Eric and Hagger, Mervyn. British and American Studies (University of the West, Timisoara) 13 (2007): 163-74.