by Drs. Aloysius Soenarto & Stanislaus Suliangto $3.00
by E. Martasudjita, Pr. $3.00
by Jaudah Muhammad Awwad $6.00
by J. Donald Walters $5.00
by Dr. Ir. H.S. Farid Ruskanda, M.Sc. A.P.U. $5.00
by Ezokanzo $6.00