Schaper, B. W.
Van Gorcum , 1963
Buku Teks
Hacker, Andrew
McGraw-Hill, 1973
Buku Teks
Allen, J. W., author
Methuen, 1951
Buku Teks
Kranenburg, Roelof, 1880-, author
Haarlem, 1926-1946
Buku Teks
Kranenburg, Roelof, 1880-, author
De Erven F. Bohn, 1932
Buku Teks