by ISEI $18.00
by Dr. Rufus Pereira $6.00
by E. Martasudjita, Pr. $4.00
by Dr. Nashir al-Aql $5.00
by Muhammad Ali ash-Shabuni $6.00
by Drs. H. Kahar Masyhur $9.00
by Prof. Dr. Komarudin Hidayat $5.00