Calvin Coolidge (1924). “Message of the President of the United States to the Congress at the Beginning of the Second Session of the Sixty-eighth Congress, December 3 1924”
James Boswell (1827). “The life of Samuel Johnson, LL.D.: comprehending an account of his studies and numerous works, in chronological order; a series of his epistolary correspondence; and conversations with many eminent persons ...”, p.58
G. Stanley Hall (2013). “Adolescence - Its Psychology and Its Relations to Physiology, Anthropology, Sociology, Sex, Crime, and Religion (1931)”, p.133, Read Books Ltd