by Dr. Drs. H. Mohammad Zain, Ak.& Drs. H. Dodo Syarief Hidayat $8.00
by Drs. Harjanto $9.00
by R. Soenarto Soerodibroto $12.00
by Prof. Dr. I.H. Ph. Diederiks - Verschoor $7.00
by Prof. Mr. Dr. Sudargo Gautama $7.00
by $6.00