by Drs. Zainal Abidin $9.00
by Richard A. Bilas $13.00
by Ir. AG. Kartasapoetra $9.00
by Drs. Ibnu Syamsi, S.U $9.00
by Hasan Shadily, M.A $12.00
by Harun M. Husein, S.H $11.00