Joustra, M., author
E. J. Brill, 1907
Buku Referensi
Neumann, J.H. (Johann Heinrich), 1876-1949, author
Varekamp, 1951
Buku Referensi
Neumann, J.H. (Johann Heinrich), 1876-1949, author
Lembaga Kebudajaan Indonesia, 1951
Buku Teks
Adriani, Nicolaus, 1865-1926, author
E. J. Brill, 1928
Buku Referensi
Adriani, Nicolaus, 1865-1926, author
A.C. Nix, 1931
Buku Teks