Gert Pickel
VS Verlag, 2012
eBooks
edited by Stanislaw Grodz, Gina Gertrud Smith
Brill, 2014
eBooks
Clarendon Press, 1954
Buku Teks
Clarendon Press, 1954
Buku Teks
Ferguson, Wallace K., author
Sir Isaac Pitman & Sons, [date of publication not identified]
Buku Teks