Mcnulty, John K.
west Publishing, 1989
Buku Teks
edited by Douglas A. Kahn
Little, Brown, 1981
Buku Teks
Bittker, Boris I.
Brown, 1984
Buku Teks
Stephens, Richard B.
Warren, Gorham and Lamont, 1959
Buku Teks
Bittker, Boris I.
Little, Brown & Co., 1990
Buku Teks