by H. Djufri M. Mangkuto, S.E $6.00
by M. Nasib ar-Rifa\'i $28.00
by Prof. Abdur Rahman I Do'I, Ph.D $7.00
by Dr. Shaleh Ghanim $5.00
by Qadi 'Iyad Ibn Musa $7.00
by Al-Razi $5.00