Keir, D. L. (David Lindsay), author
Oxford University Press, 1948
Buku Teks
Keir, D. L. (David Lindsay), author
Clarendon Press, 1967
Buku Teks
Sueur, AP.Le
Covendish Publishing Limited, 1995
Buku Teks
Thompson, Brian
Balckstone Press Limited, s.a.
Buku Teks
Mark Tushnet
Foundation press, 1999
Buku Teks