While the filing drawer label refers to the 'Darling River Language', the vocabulary relates to south-western Queensland, and is drawn primarily from AM Duncan-Kemp's Our Sandhill Country: Nature and Man in South Western Queensland, 1933. Tindale records reading this book in his 'Journal of the Anthropological Expedition to the Diamantina, North-East of South Australia. August 1934' (AA 338/1/12).