by Martiman P $6.00
by Victor M. Situmorang, S.H. dan Dra. Cormetyna Sitanggang $9.00
by - $6.00
by Prof. Dr. H. Zainuddin Ali, M.A. $7.00
by Victor Situmorang, S.H $7.00
by Soedjono-Dirjosisworo $9.00