Annie Shepherd Swan, Mrs Burnett-Smith (1859-1943) was a British author who wrote under the pen name David Lyall. She wrote Into the Haven (1882), A Divided House: A Study from Life (1889), The Ayres of Studleigh (1891), Thankful Rest (1892), The Guinea Stamp: A Tale of Modern Glasgow (1892), Wrongs Righted (1893), A Bitter Debt: A Tale of the Black Country (1893), Courtship and Marriage and the Gentle Art of Home-Making (1894), A Foolish Marriage: An Edinburgh Story of Student Life (1894), Across Her Path (1895), Carlowrie; or, Among Lothian Folk (1895), Elizabeth Glen, MB: The Experiences of a Lady Doctor (1895), A Victory Won (1895), Doris Cheyne: The Story of a Noble Life (1896), Memories of Margaret Grainger, Schoolmistress (1896), Heather From the Brae (1896), The Curse of Cowden (1897), Maitland of Laurieston (1898), At the Eleventh Hour (1899), The Two Miss Jeffreys (1899), The Burden Bearers (1900), The Flowers O' the Forest (1900), The Gold that Perisheth (1901), The Redemption of Neil Maclean (1901), The Bells of Portknockie (1902) and Another Man's Money (1902).