Boller, Paul F.
Presidential Campaigns from George Washington to George W. Bush
Oxford University Press, 2004
Buku Teks
Walker, Samuel
Presidents and civil liberties from Wilson to Obama : a story of poor custodians / Samuel Walker
Cambridge Univ Press, 2012
Buku Teks
King, Nicholas
George Bush / Nicholas King
Dodd Mead, 1980
Buku Teks
Proceedings of the 1974 Heat Transfer and Fluid Mechanics Institute / edited by Lorin R. Davis, Robert E. Wilson
Stanford University Press, 1974
Buku Teks
Pevehouse, Jon C.
Democracy from Above
New York, 2005
Buku Teks