Effort Quotes - Page 110
Rodney Stark (2015). “For the Glory of God: How Monotheism Led to Reformations, Science, Witch-Hunts, and the End of Slavery”, p.176, Princeton University Press
Robert Louis Stevenson (2015). “Collected Memoirs, Travel Sketches and Island Literature of Robert Louis Stevenson: Autobiographical Writings and Essays by the prolific Scottish novelist, poet and travel writer, author of Treasure Island, The Strange Case of Dr. Jekyll and Mr. Hyde, Kidnapped & Catriona”, p.452, e-artnow
Robert Green Ingersoll (1907). “The works of Robert G. Ingersoll”, p.2807, Library of Alexandria