by Drs. Ec. Alex. S. Nitisemito dan Drs. M. Umar Burham. M.S $6.00
by Bakhtiar, Numan Agus, Murisal $7.00
by Diana Rowland $9.00
by Drs. H. Abu Ahmadi $9.00
by Isjoni $8.00
by G. Sexilla, Cousuelo, dkk $7.00
by Myria, OSF. $4.00
by E. Fernando M. Manullang $9.00
by - $5.00
by Salim H. S, S. H. $9.00
by $9.00