by Rahardjo, M. Dawan $7.00
by Aziz Alimul $9.00
by Oemarjati, Boen S. & W. Wardhana $6.00
by Dr. Rossi Sanusi Ph.D $7.00
by Barth, Fredrik $6.00
by Prof. Dr. Askandar Tjokroprawiro $6.00