by Edward Goldsmith $25.00
by Drs. H. Moh. Pabundu Tika, M.M $7.00
by Kurtines, William M. & Jacob L. Gerwitz $11.00
by Randy E. King $7.00
by Gustian Djuanda & Irwansyah Lubis $11.00
by C. Rollin Niswonger $13.00