by Drs. Djoko Widagdho, dkk $9.00
by Sei H. Dt. Tombak Alam $5.00
by Drs. Surajiyo $7.00
by Drs. Kaelany H.D., M.A $9.00
by Richard Nelson-Jone $12.00
by Louis Rosenthal $6.00