by Amiruddin Syarif, S.H
$6.00

by Drs. Djalinus Syah, dkk
$6.00

by Alvin S. Johnson
$11.00

by Prof. S.H. Rewoldt, Terj. Drs. A.H. Ali
$7.00

by Drs. Sudiyono, M.Si
$6.00

by Prof. Dr. S. Nasution, M.A.
$7.00