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