Speech at Amherst College, Amherst, Massachusetts, on October 26, 1963. "Public Papers of the Presidents of the United States: John F. Kennedy", p. 817, 1963.
John Ruskin (1855). “Notes on Some of the Principal Pictures Exhibited in the Rooms of the Royal Academy, the Old and New Societies of Painters in Water Colours, the Society of British Artists and the French Exhibition”
Adam Clarke (1820). “Clavis Biblica; or, a Compendium of Scriptural Knowledge; containing a general view of the contents of the Old and New Testaments ... originally drawn up for the instruction of Two Teerunanxies, or High Priests of Budhoo, from the Island of Ceylon”, p.48