Legouis, Emile, author
J.M. Dent and Sons, 1948
Buku Teks
Easton, Stewart C., author
Holt, Rinehart and Winston, 1955
Buku Teks
Richards, Jeffrey
Routledge, 1994
Buku Teks
Dowden, Ken, author
Routlegde, 2000
Buku Teks
Erlande-Brandenburg, Alain
Thames & Hudson, 1995
Buku Teks