McCormick, Charles T. (Charles Tilford), 1889-1963
West Publishing, 1935
Buku Teks SO
editoed by Karl-Eduard von der Heydt, Stanley Keller
Graham & Trotman / Martinus Nijhoff, 1995
Buku Referensi
edited by John Angel, Ian Walden
Blackstone Press, 1997
Buku Referensi
MacLachlan, James Angell
West Publishing, 1956
Buku Teks
edited by Michael Bundock
LLP, 1999
Buku Teks