by Prof. Abdulkadir Muhammad, S.H. $7.00
by M. Yahya Harahap, S. H. $18.00
by Drs. Marsono $6.00
by Prof. E. Suherman, SH. $8.00
by Kansil C.S.T $12.00
by H. Abdurrahman, S.H., M.H. $6.00