by Prof. Abdulkadir Muhammad, S.H. $6.00
by Prof. Dr. Soerjono Soekanto, S.H., M.A. $3.00
by Prof. Drs. C.S.T. Kansil, S.H. $11.00
by Prof. Dr. H. Zainuddin Ali, M.A. $7.00
by Ridwan Halim $5.00
by Leden Marpaung, S. H. $7.00
by Alam Setia Zain, S.H $7.00
by - $13.00