by Drs. H. Chaeruman Pasaribu $7.00
by Jazuni, S.H. $10.00
by R. Soeroso, S. H. $9.00
by Prof. Mr. Dr. Sudargo Gautama $7.00
by Destivano Wibowo & Harjon Sinaga $7.00
by Zainal Asikin, dkk $9.00