Dodd, Walter Fairleigh, 1880-1960, author
West Publishing, 1949
Buku Teks
McCormick, Charles T. (Charles Tilford), 1889-1963, author
Foundation Press, 1976
Buku Teks
Louisell, David W., author
Foundation Press, 1979
Buku Teks
Kauper, Paul G., author
Little, Brown, 1971
Buku Teks
Gunther, Gerald, author
Foundation Press, 1970
Buku Teks