Lewis, David C.
After atheism: religion and ethnicity in Russia and Central Asia
Curzon, 2000
 Buku Teks
Sulawesi: the celebes
editor, Toby Alice Volkman
Pariplus, 1992
 Buku Referensi
Veen, Hendrik van der
The Sa'dan Toradja chant for the deceased
Martinus Nijhoff, 1966
 Buku Teks
Veen, Hendrik van der
The Merok feast of the Sa'dan Toradja
Martinus Nijhoff, 1965
 Buku Teks
Schrieke, Bertram Johannes Otto
Bataks, Dajaks en Toradja's
Loghum Slaterus, 1940
 Buku Teks