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
Geldern, I. Van, author
BIJ J. B. Wolters U. M., [date of publication not identified]
Buku Referensi
Gallas, K. R., author
J. B. Wolters, [date of publication not identified]
Buku Referensi
Herckenrath, C. R. C., author
J. B. Wolters U. M., [date of publication not identified]
Buku Referensi