by - $16.00
by Edy Yunara, S.H., M.H. $5.00
by - $6.00
by Marihot. P. Siahaan, S.E. $16.00
by Huala Adolf $11.00
by Prof. Dr. Mr. Gregor van der Burght, Penerjemah: Drs. F. Tengker, S.H., C.N. $7.00