John Foster is the author of An Essay on the Evils of Popular Ignorance: and A Discourse on the Communication of Christianity to the Peole of Hindoostan, An Essay on the Evils of Popular Ignorance, Speech of the Right Honorable John Foster, Speaker of the House of Commons of Ireland, Delivered in Committee, on Monday the 17th Day of February, 1800, Speech of the Right Honorable John Foster ... delivered ... on Monday the 17th day of February, 1800, Speech of the Right Honorable John Foster Speaker of the House of Commons of Ireland.