7148291 Three Great Pillars of Government; or, A Walk from White Conduit House to St Stephen\'s, caricature of reformist politicians Sir Francis Burdett, Joseph Hume and Daniel O\'Connell, 1834 (engraving) by Doyle, John (H.B.) (1797-1868) (after); Private Collection; (add.info.: Three Great Pillars of Government; or, A Walk from White Conduit House to St Stephen\'s, caricature of reformist politicians Sir Francis Burdett, Joseph Hume and Daniel O\'Connell, 1834. Illustration from A History of Parliamentary Elections and Electioneering from the Stuarts to Queen Victoria, by Joseph Grego (Chatto & Windus, London, 1892).); 穢 Look and Learn.