by Prof. DR. Taliziduhu Ndraha $9.00
by Paulus Hadisuprapto, S.H., M.H. $5.00
by ML. Stein $6.00
by Prof. Abdulkadir Muhammad, S.H. $7.00
by Prof. Dr. Soegyarto Mangkuatmodjo $13.00
by Drs. H. Burhanuddin Salam, M.M $9.00