Meny, Yves
Oxford University Press, 1998
Buku Teks
Biskup, Peter
University of Queensland Press; Crane, Russak & Company, Inc.,, 1973
Buku Teks
Harrison, John B.
Alfred A. Knopf, 1966
Buku Teks
Harrison, John B.
Alfred A. Knopf, 1969
Buku Teks
edited by Brian Tierney, Donald Kagan and L. Pearce Williams; consulting editor, Eugene Rice
Random House, 1968
Buku Teks SO