by Eugene L. Grant. Terj. Drs. E. Komaruddin $13.00
by P.K. Poerwantana $6.00
by Ir. H. Rahmat Rukmana $5.00
by DR. M.N. Bustan $7.00
by Drs. H. Abu Ahmadi $9.00
by Budi Samadi $6.00
by Said Kelana $5.00