Brown, William Adams, author
Brookongs Institutons, 1954
Buku Teks
Jordan, Amos A., author
Praeger, 1962
Buku Teks
Montgomery, John D., author
Frederick A. Praeger, 1962
Buku Teks
Mason, Edward S.
Published for the Council on Foreign Relations by Harper & Row, 1964
Buku Teks
Vernon, Raymond, author
Free Press, 1989
Buku Teks