Supplementary to 'Visit to Bentinck and Mornington Islands, Queensland by Norman B. Tindale. 1960' (AA 338/1/23)
'Axe polishing grooves at Weredjara W side Mornington I. Qu.
Old William demonstrating axe sharpening marks ascribed to Post European Times 4 June 1960
Lardi:l Tribe
journ. p. 308'