Mauger, G., author
LibHachette, 1967
Buku Teks
Wartburg, Walther Von
Paris : De France Universtaikes Press, 1946
Buku Teks
translated with notes by C.J.F. Williams
Clarendon Press, 1982
Buku Teks
Springer, 2012
eBooks
Maitre,Henri bernard
Oude rijn, 1938
Buku Teks