by Sumarmo I.S - Markam Suprapti $7.00
by Gordon, Gibson G. dan Paul Skett $7.00
by Pijper, G.F $5.00
by Ligterink, G.H. $5.00
by Dr. C. Asri Budiningsih $6.00
by Drs. H. Moh. Pabundu Tika, M.M $7.00