found: Work cat.: Leach, E.R. Political systems of highland Burma, 1986 printing, c1977.
found: Encyc. world cultures:v. 5, p. 114 (Kachin: refers to congeries of Tibeto-Burman speaking peoples who come under the Jinghpaw and related peoples political system and associated religious ideology)
found: Illus. encyc. of mankind, 1984(Kachin, Singpho, Chingp'a)
found: Murdock, G.P. Outline of world cultures, 1983(Kachin, Chingpaw, Singpho)
found: Old catalog heading(Kachin tribes)
found: Web. 3(Chingpaw, Kachin, Singpho)
found: 2012323567: Singphos of North East India, 2011.