by C. Rollin Niswonger $13.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by Drs. Ad. Rooijakkers $5.00
by Richard G. Lipsey., dkk $16.00
by Soejono, S.H., M.H $9.00
by Drs. Sudarsono, S.H., M.Si $9.00