by Robert H. Thouless $7.00
by Prof. H.M. Hembing Wijayakusuma $18.00
by Dr. H. Pidyarto Gunawan, O.Carm $4.00
by Drs. Rohadi Abdul Fatah $7.00
by H. A. Aziz Salim Basyarahil $5.00
by Aaidl Abdullah al-Qarni $6.00