by RW. Allard $11.00
by Datje Rahajoekoesoemah $42.00
by Maurice Duverger $7.00
by Prof. Dr. H. Abdurrahmat Fathoni, M.Si $7.00
by Dr. Taliziduhu Ndraha $9.00
by Drs. Slameto $7.00
by Herlina Suyati Bachtiar $7.00