by Dr. Ir. Kemas Ali Hanafiah, M.S., dkk $7.00
by Ronald H. Chilcote $16.00
by Prof. Dr. Louis Leahy, SJ $11.00
by Ng Philipus $9.00
by Dr. H. Abuddin Nata, MA $11.00
by Adelbert Snijders, OFM Cap $9.00