Skeat, Walter W., author
The Clarendon Press, 1948
Buku Referensi
Preobrazhensky, A. G., author
Columbia University Press, 1951
Buku Referensi
Partridge, Eric, 1894-1979, author
Routledge, 1991
Buku Referensi
Weekley, Ernest, author
Dover Publications, 1967
Buku Referensi
Weekley, Ernest, author
Dover Publications, 1967
Buku Referensi