by Dr. C. Groenen, OFM. $7.00
by Y.T. Prasetiyo $6.00
by Bambang Agus Murtidjo $6.00
by Pranadjaja $9.00
by Dr. I. Bambang Sugiharto $7.00
by J. Heinrich Arnold $8.00
by Ir. Sujamto $9.00