by Ir. Abbas Siregar Djarijah $6.00
by Dr. Ir. Muhammad Rasyaf, MS $6.00
by H. Rahmat Rukmana $6.00
by Sulistyowati Irianto, Antonius Cahyadi $18.00
by Marcell Mauss $18.00
by Drs. G. Kartasapoetra $7.00