Halpern, Diane F., editor
Man and his government: an empirical theory of political
McGraw-Hill, 1963
 Buku Teks
Reinhold Niebuhr, his religious, social, and political thought
edited by Charles W. Kegley
Pilgrim Press, 1994
 Buku Teks
King, George A.
Theodore Dwight Woolsey : his political and social ideas / George A. King
Loyola University Press, 1956
 Buku Teks
Berry, George Ricker
The classic Greek dictionary; Greek-English and English-Greek
Chicago, Fallet Publishing, 1962
 Buku Referensi
Bowra, C. M.
The Greek experience
A Mentor Book, 1957
 Buku Teks