University of Texas at Arlington by Texas A & M University Press, College Station, Tex. 1997. ISBN 0-89096-756-3 (英语). Widmer, Edward L. Young America. [2024-06-29]
American Historian. History News Network (Columbian Collegeof Arts and Sciences(英语:Columbian Collegeof Arts and Sciences)). September 23, 2018 [January
will caucus with Senate Democrats ... The Senate's other independent, Bernie Sanders of Vermont, also caucuses with the Democrats. Joint Committee on Printing