Harsh economic conditions caused two-thirds of established British publishing firms to crash: authors were ruined, like Sir Walter Scott
, by the bankruptcy of Constable and Ballantyne
in Edinburgh.
Campbell, Mary, 1917 - 2002. Lady Morgan: The Life and Times of Sydney Owenson. Pandora, 1988.
215-16
Stephen, Sir Leslie, and Sidney Lee, editors. The Dictionary of National Biography. Smith, Elder, 1908–2024, 22 vols. plus supplements.