1856:Thesun . . yărai,oryūrōkă. —On the Kamilaroi Tribe of Australians and Their Dialect, William Ridley, in Journal of the Ethnological Society of London
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1903,Languages of the Kamilaroi and Other Aboriginal Tribes of New South Wales, R.H. Mathews, in The Journal of the Anthropological Institute of Great Britain and Ireland: