by Datje Rahajoekoesoemah $28.00
by Prof. Dr. S. Nasution, M.A. $7.00
by Drs. Inu Kencana Syafiie $11.00
by Syam Hardy $7.00
by Drs. Djoko Widagdho, dkk $9.00
by Abu Thalha Muhammad Yunus bin Abdussatar $9.00