by Prof. Dr. H. Zainuddin Ali, M. A. $9.00
by M. Yahya Harahap, S. H. $30.00
by D. W. Bowett, QCLLD $16.00
by Asril Sitompul, S.H., LL.M. $5.00
by Prof. Dr. Jur. Andi Hamzah $7.00
by Abdul Hakim G.N, S.H $6.00