edited by Peter France and Kenneth Haynes
Oxford University Press, 2006
Buku Referensi
edited by Stuart Gillespie and David Hopkins
Oxford University Press, 2005
Buku Referensi
James, David Gwilyn, author
Geoffrey Cumberlege, 1948
Buku Teks
Burnier, Andreas
querido's uigeverij, 1974
Buku Teks
Greebe, A. C. J. A., author
Martinus Nijhoff , 1915
Buku Teks