by Alwi Alatas $7.00
by Marius P. Angipora $11.00
by Prof. S.H. Rewoldt, Terj. Drs. A.H. Ali $7.00
by Drs. Bayu Surianingrat $6.00
by Achmad Ikhsan $7.00
by Untung Sukardji $11.00