by Ruiter, D. $9.00
by J. Bulatau, SJ $5.00
by Prof. Komaruddin $11.00
by IBII $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Prof. DR. Soerjono Soekanto, S.H., M.A., dkk $6.00