Problems relating to legislative organization and powers
Constitutional Convention Committee, 1938
 Buku Teks
Carter, Gwendolen M.
Major foreign powers
Harcourt Brace & World , 1967
 Buku Teks
Carter, Gwendolen M.
Major foreign powers
Harcourt, Brace & World, 1962
 Buku Teks
Governance, regulations and powers on the internet
edited by Eric Brousseau, Meryem Marzouki and Cecile Meladel
Cambridge University Press, 2012
 Buku Teks
Tribe, Laurence H.
The constitutional structure of American government : separation and division of powers
Foundation Press, 1978
 Buku Teks