Kauper, Paul G., author
Little, Brown, 1971
Buku Teks
Keir, D. L. (David Lindsay), author
Oxford University Press, 1948
Buku Teks
Keir, D. L. (David Lindsay), author
Clarendon Press, 1967
Buku Teks
Barendt, E. M., author
Oxford University Press, 1998
Buku Teks
Sueur, AP.Le
Covendish Publishing Limited, 1995
Buku Teks