Schwarz, J.A.T., author
E. J. Brill, 1908
Buku Referensi
Adriani, Nicolaus, 1865-1926, author
E. J. Brill, 1928
Buku Referensi
Steller, K. G. F., author
Martinus Nijhoff, 1959
Buku Referensi
Onvlee, L., author
Foris Publications, 1984
Buku Referensi
Dunnebier, W., author
Martinus Nijhoff, 1951
Buku Referensi