by M. Yahya Harahap, S.H. $5.00
by Moch. Faisal Salam, SH., MH. $6.00
by Supriadi, S. H., M. Hum. $13.00
by Drs. H. Chaeruman Pasaribu $7.00
by $6.00
by Drs. CST. Kansil, S.H $13.00