by J. Donald Walters $3.00
by A. M. Mangunhardjana, SJ. $3.00
by Ir. Abbas Siregar Djarijah & Ir. Harsono Puspowardoyo $5.00
by Dr. Theo Huijbers $11.00
by J. Sudarmita $9.00
by Hudi Matnawi $6.00