Sally Sloane
Sally Sloane, (1894-1982) Lithgow, NSW provided details of some of the Australian tunes in this archive, as described by John Meredith.
Sally was one of the most important Australian traditional singers and musicians recorded by John Meredith, beginning in 1955, when she was aged in her sixties. Sally lived in NSW all her life. She was a gifted singer and played the one row button accordion, violin and mouth organ.
See J Meredith, H Anderson, Folk Songs of Australia Vol 1, UNSW Press, 1967.
Sally was recorded by several folklorists and many of these recordings are available online at the National Library of Australia’s Trove website. Go to the NLA catalog and search for "Sally Sloane".
"Mrs Gibbons appears to have been Sally Sloane's twin sister, Bertha".
Wikipedia contains a lengthy article on Sally Sloane.
Ian Hayden has built a list of her recordings and links to them at: The music of Sally Sloane.