6029880 John Harris, English clergyman and author of Mammon or Covetousness The Sin of the Christian Church (engraving) by Room, Henry (1802-50) (after); Private Collection; (add.info.: John Harris (1802-1856), English clergyman and author of Mammon or Covetousness The Sin of the Christian Church.); Look and Learn / Elgar Collection; British, out of copyright.