by Ropaun Rambe, S.H. $12.00
by Barda Nawawi Arief $9.00
by M. Yahya Harahap, S. H. $18.00
by Prof. Drs. C. S. T. Kansil, S. H. $13.00
by Prof. Mr. Dr. Sudargo Gautama $7.00
by $12.00