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"Britain's intellectuals: leading thinkers have their say" by Alain de Botton, AC Grayling, Susie Orbach, Paul Gilroy, Will Self, Mary Beard, Brian Cox, Lionel Shriver, James Lovelock and Lisa Jardine, www.theguardian.com. May 7, 2011.
Abigail Adams, John Adams, L. H. Butterfield, Marc Friedlaender, Mary-Jo Kline (1975). “The Book of Abigail and John: Selected Letters of the Adams Family, 1762-1784”, p.116, UPNE