by M. Yahya Harahap, S. H. $13.00
by Prof. Mr. Dr. Sudargo Gautama $6.00
by Suyonodarsono $12.00
by Prof. Mr. Dr. Sudargo Gautama $10.00
by Prof. Drs. C.S.T. Kansil, S.H. $18.00
by $6.00