Eickelman, Dale F., author
Princeton University Press, 2004
Buku Teks
Russell, Bertrand, 1872-1970, author
National Book League, 1947
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1948
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1950
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1955
Buku Teks