by Ir. Abbas Siregar Djarijah & Ir. Harsono Puspowardoyo $5.00
by K.H. Moenawar Chalil $20.00
by Mulja Tarmidi $6.00
by Hussein Muhammad Yusuf $6.00
by Ali Muhammad Kali ash-Shafti $6.00
by Dr. C. Groenen, OFM. $7.00