by Aziz Alimul $7.00
by Prof. dr. A.J. Hukom $5.00
by Hendra Sutardhio $9.00
by Ranakusuma, Boedisantoso $6.00
by Lachman, L., Herbert A. Lieberman & Joseph L. Kanig $18.00
by B. U. Hadikusumo $6.00