by J. Darminta, SJ $3.00
by Dr. C. Groenen, OFM. $9.00
by Ir. Bambang Cahyono $7.00
by Ir. Hieronymus Budi Santoso $5.00
by Fritz Wilkening $12.00
by Wiranda dan G. Piliang Soewondo Djojosoebagio $7.00
by Djoehana Setyamidjaja, M.Ed $6.00