John Gibson Paton (1907). “John G. Paton, missionary to the New Hebrides: An autobiography edited by his brother. New and complete illustrated edition: 1824-1907”
Abraham Lincoln, Stephen Arnold Douglas (1860). “Political Debates Between Hon. Abraham Lincoln and Hon. Stephen A. Douglas, in the Celebrated Campaign of 1858 in Illinois: Including the Preceding Speeches of Each at Chicago, Springfield, Etc., Also the Two Great Speeches of Mr. Lincoln in Ohio, in 1859, as Carefully Prepared by the Reporter of Each Party and Published at the Times of Their Delivery”, p.234