Seran Island and surrounding islands (belonging to the Ambon District, Dept. of Seran) / prepared by Bureau of Encyclopedia on data from the Topographic Service 1921 ; reproduced by Base Map Plant USASOS SWPA
Leiden UniversityBureau of Encyclopedia Batavia
1943
[S.l.] : L.H.Q. Cartographic Co[mpan]y Aust[ralian] Survey Corps