by Prof. Dr. M. Mutawalli asy-Sya'rawi $6.00
by $18.00
by Ir. AG. Kartasapoetra $7.00
by Hindah Muaris $6.00
by Drs. H. Kahar Masyhur $13.00
by Nursalam $9.00
by Kansil C.S.T $11.00
by Prof. Dr. Ir. Ali Khomsan $11.00
by $9.00
by Raldi Artono $18.00
by R. Soegeng $16.00
by Dr. P. A. van Der Weij $7.00