editor, Robert Dorfman
Brooking Institution, 1965
Buku Teks
Chase, Samuel B., Jr., author
Brooking Institution, 1968
Buku Teks
edited by Roy A. Grisham, Jr., Paul D. McConaughy
WM. H. Wise, 1966
Buku Referensi
Harper & Row, 1965
Buku Teks
edited by Martin Kriesberg
Brooking Institute, 1966
Buku Teks