Holmes, Oliver Wendell, Jr.
Little, Brown and Company, 1951
Buku Teks
Eisenberg, Melvin A., author
Harvard University Press, 1988
Buku Teks
Vinogradoff, Paul, 1854-1925, author
Oxford University Press, 1970
Buku Teks
Vinogradoff, Paul, 1854-1925, author
Oxford University Press, 1959
Buku Teks
edited by Douglas E. Edlin
Cambridge University Press, 2007
Buku Teks