by Dr. Harun Hadiwijono $6.00
by Drs. Wartono Hadie & Dra. Lies Emmawati Hadie $6.00
by Suharyo, I., Pr, Mgr. $4.00
by Drs. Ig. Wursanto $7.00
by Ernst Lerch $11.00
by Stefan Leks $12.00
by Djoehana Setyamidjaja, M.Ed $7.00