Ti pagsasao a Birhor ket ti maysa a nakaro a naisagmak a pagsasao a Munda nga insasao babaen ti tattao a Birhor iti Chhattisgarh, Odisha, Laud a Bengal, ken dagiti estado ti Maharashtra iti India.[1]
Segun kenni Vidyarthi (1960:519), ti Birhor ket kaaduan a mabirukan iti Chota Nagpur ken Santhal Paragana, ken dagiti Uthlu Birhor ket agtatengda idiay Bishunpur, Distrito ti Gumla, Jharkhand (iti igid ti akinlaud a pagbeddengan iti Chhattisgarh).
Dagiti nagibasaran
- Roy, Sarat Chandra. 1925. The Birhors: a little-known jungle tribe of Chota Nagpur. Ranchi: K.E.M. Mission Press.
- Vidyarthi, L. P. 1960. The Birhor (the little nomadic tribe of India). In Wallace, Anthony F. C. (ed.), Men and cultures: selected papers of the Fifth International Congress of Anthropological and Ethnological Sciences, Philadelphia, September 1–9, 1956, 519-525. Philadelphia: Pennsylvania University Press.
Dagiti akinruar a silpo