by dr. Iwan Ikayuda, dr. Sukonto K., Prof. dr. Sjahriar R $20.00
by Syaifuddin $12.00
by J. Guwandhi, SH. $6.00
by Stallings $18.00
by Pelezar. Michael J. & E.C.S. Chan $11.00
by WK $20.00
by WK $13.00