by Ir. Abbas Siregar Djarijah $5.00
by Sardijanto Djoemairi $11.00
by A.M. Mangunhardjana, SJ $6.00
by Afandhie Rosmarkam & Nasih Widya Yuwono $9.00
by J. Donald Walters $5.00
by E. Martasudjita, Pr. $3.00