Friedrich, Carl J., author
Ginn, 1950
Buku Teks
Friedrich, Carl J., author
Blaisdell, 1949
Buku Teks
Beaumont, Elizabeth, author
Oxford University Press, 2014
Buku Teks
Jong, Jelle Jan de, 1921-
M. Nijhoff, 1951
Buku Teks
Helfritz, Hans,1877-
Albert Nauck & Co., 1949
Buku Teks