Deliverance by James Dickey (in 2001, named as one of the 100 best English-language novels of the 20th century, as chosen by the editorial board of the Modern Library.)
... The native inhabitants consist of some 2000 Gilyaks, 1300 Ainus, with 750 Orochons[?], 200 Tunguses[?] and Some Yakuts. The Gilyaks in the north support themselves by ...