by Dr. C. Groenen, OFM. $7.00
by Subiyakto Sudarmo $6.00
by H. Rahmat Rukmana $5.00
by Ir. Sri Umiyati Sumeru & Dra. Suzy Anna $6.00
by E. Martasudjita, Pr. $3.00
by Thabrani $9.00
by Prof. Dr. Sudarwan Danim $11.00