1951
Buku Teks
Hyde, Charles Cheney, 1873-1952, author
Little, Brown, 1947, 1951
Buku Teks
Born, Gary B., author
Kluwer law and Taxation Publishers, 1994
Buku Teks
Parks, Wallace Judson, author
Johns Hopkins Press, 1951
Buku Teks
Clark, Victor S., author
Peter Smith, 1949
Buku Teks