Bukti  Permoesjawaratan Indonesia-Belanda  [microform] : 

 - East Sumatra (Residency) :  Djabatan Penerangan,  [n.d] 
 - 1 microfische :  positive ;  11 x 15 cm. 
<br/><br/> Bahan IDC (Inter Documentation Company)  Modern Indonesia Prokect : Monographs