by Totok Jumantoro $9.00
by Drs. Kaelany H.D., M.A $9.00
by Prof. Drs. Piet A. Sahertian $7.00
by Prof. Dr. S. Nasution, M.A. $7.00
by SMP Tjondronegoro, Gunawan Wiradi $25.00
by Robert A. Dahl $9.00