by Pandji Anoraga, S.E., M.M $13.00
by Amiruddin Syarif, S.H $6.00
by $12.00
by Ir. Suharto $9.00
by Maurice Duverger $7.00
by M. Yahya Harahap, S. H. $18.00
by Abbas Salim $11.00
by Mira W. $7.00