 A two-volume supplement to the third edition was published in 1801, having 1,624 pages and 50 copperplates by D. Lizars.A revised edition was published in 1803.This supplement was published by a wine-merchant, Thomas Bonar, the son-in-law of the "Britannica's" owner Andrew Bell; unfortunately, the two men quarreled and they never spoke for the last ten years of Bell's life (1799–1809).