by dr. Titus S. Pusponegoro, Prof. dr. Hans E. M. $5.00
by Aziz Alimul $9.00
by Oemarjati, Boen S. & W. Wardhana $6.00
by Prof. Dr. dr. Sarwono Waspadji, Kartini Sukardji $6.00
by Prof. Dr. Ir. Ali Khomsan $11.00
by Aziz Alimul $11.00
by Jaudah Muhammad Awwad $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Prof. Dr. dr. Siti A. Boediardja, dr. Titi Lestari Sugito $7.00
by Sjahrir $9.00