by Dr. Niels Mulder $9.00
by Muhammad Nashiruddin al-Albani $12.00
by Adian Husian, M.A. $9.00
by Dr. I. Bambang Sugiharto $7.00
by Dr. Ibrahim Mulaakhathir $6.00
by Heinz Frick & Tri Hesti Mulyani $5.00