G.A. Wilken,

DE VERBREIDING VAN HET MATRIARCHAAT OP SUMATRA

Gravenhage: Martinus Nijhoff, 1888

Arthur S. Walcott,

JAVA AND HER NEIGHBOURS - A TRAVELLER’S NOTES IN JAVA, CELEBES, THE MOLLUCAS AND SUMATRA

New York and London: G.P. Putnam’s Sons, 1914

Edwin M. Loeb,

SUMATRA - ITS HISTORY AND PEOPLE

Robert Heine-Geldern,

THE ARCHEOLOGY AND ART OF SUMATRA,

Vienna: The Institut Für Völkerkunde (W. Koppers), 1935

LANDSCHAPPEN EN VOLKSTYPEN VAN NEDERLANDSCH INDIË,

Haarlem, H.D. Tjeenk Willink, 1883

H.M. Zainuddin.

TARICH ATJEH DAN NUSANTARA - Djilid 1,

Medan: Pustaka Iskandar Muda, 1961