Vler, I.M. van der (Isaal`k Martinus), author
W. de Haan, 1950
Buku Teks
Drion, H., author
Kluwer, 1965
Buku Teks
Drion, H., author
Deventer, Kluwer
Buku Teks
Brahn, O.K., author
Gouda Quint, 1984
Buku Teks
Asser, C. (Carel), 1843-1898, author
Tjeenk Willink, 1934
Buku Teks