Gordon, Lincoln, author
Harvard University Press, 1963
Buku Teks
Berle, Adolf A., Jr., author
Harper & Row, [1962]
Buku Teks
MacEoin, Gary, author
P.J. Kenedy & Sons, 1963
Buku Teks
Pendle, George, author
Penguin Books, 1973
Buku Teks
Rippy, J. Fred, author
University of Michigan Press, 1958
Buku Teks