Examples from the Web for sumatran
She published a book about the Minangkabau in 2000 called Webs of Power: Women, Kin and Community in a Sumatran Village.
The use of Sumatran leaf as a wrapper for home-made cigars has increased remarkably in the last quarter century.Tobacco Leaves|W. A. Brennan
This is the case with many of the Sumatran women of Lampong.
As a general rule, the Sumatran is content to marry, and is faithful to his wife.The History of Prostitution|William W. Sanger
Now, for those who look for the wildest varieties of the Sumatran tribes, these are the most likely localities.
It is worthy of note, however, that the granaries of some Sumatran groups are of similar design and construction.The Tinguian|Fay-Cooper Cole