by H. Dahlan Thaib, dkk $7.00
by Soebyakto, S.H. $5.00
by Ir. Sujamto $6.00
by Prof. Mr. O.K. Brhan (diterjemahkan oleh: Linus Doludjawa) $9.00
by DR. Andi Hamzah, S.H $11.00
by R. Wiyono, S.H. $12.00