by Prof. Abdulkadir Muhammad, S.H. $5.00
by M. Yahya Harahap, S.H. $5.00
by Soegijatna Tjakranegara, S.H $13.00
by $13.00
by Soerjono Soekanto $7.00
by Prof. Sr. Surjono Soekamto, S.H., M.A. dan Ratih Lestarini, S.H. $6.00