by Apeldorn $11.00
by Irene Eka Sihombing $6.00
by Herman Hermit, Ir. MT. $7.00
by Prof. Dr. Alaidin Koto, M.A $7.00
by Soejono, S.H., M.H $9.00
by M. Idris Ramulyo, S.H., M.H. $9.00