Schets-taalkaart van de residentie Bangka / Schets-taalkaart van den Riouw- en Lingga-archipel
1889
Indonesia
Two separate maps showing the languages and dialects spoken on the islands of Bangka, and the Riouw (Riau) and Lingga archipelagos, in the late 19th century. On Bangka alone, there are 12 languages or dialects listed.