by Edmund Woga, CSsR. $7.00
by Karen Krossing $9.00
by H. J. Kachmadi Karm $3.00
by Roger W. McIntire $7.00
by H. Rahmat Rukmana $5.00
by Dr. P. A. van Der Weij $7.00
by Dr. Ir. Muhammad Rasyaf, MS $7.00