William Smith (1769-1830). A Delineation of the Strata of England and Wales, with part of Scotland. London: John Cary, 1 August, 1815 [but January 1816].
a database for historians
William Smith (1769-1830). A Delineation of the Strata of England and Wales, with part of Scotland. London: John Cary, 1 August, 1815 [but January 1816].