by Prof. Hans (J) Berkel, MD. PhD $7.00
by Dr. Margaretha Andi Loho Lethe $20.00
by Aziz Alimul $9.00
by Ir. Arif Hartoyo, M. S $5.00
by Gilian Butler, Tony Hope $13.00
by dr. Pantjita Hardjasasmita (Alm) $6.00