Hewiit, Charles M., author
Houghton Mifflin, 1962
Buku Teks
Buku Teks
Bradgate, Robert, author
Butterworth, 1991
Buku Teks
Simpson, Laurence P., author
Alexander Hamilton Institute, 1961
Buku Teks
Edited by Adelle Blackett, Anne Trebilcock
Edward Elgar Publishing, 2015
Buku Teks