Farley, John E.
American social problems : an institutional analysis
Prentice-Hall, 1987
 Buku Teks SO
Kelly, Alfred H.
The American constitution its origins and development
W.W. Norton & Company. Inc., 1963
 Buku Teks
Kelly, Alfred H.
The American constitution, its origin and development
W.W. Norton, 1955
 Buku Teks SO
Kelly, Alfred H.
The American constitution its origins and development
W.W Norton & Company Inc., c 19
 Buku Teks
Kelly, Alfred H.
The American constitution its origins and development
W.W. Norton & Company, 1955
 Buku Teks