Supplementary to 'Visit to Bentinck and Mornington Islands, Queensland by Norman B. Tindale. 1960' (AA 338/1/23)
'Mornington I. Qu. Oyster gathering using stone
oyster pick (mariwu) and stick (tjilka) Old William at work Weredjara W site M I 4 June 1960
journ. p. 309'