"Exclusive: Jonathan Franzen sounds off on bird poaching, climate change and 'performing love'". Interview with Lindsay Abrams, www.salon.com. April 27, 2015.
"Les Confidences: Confidential Disclosures" by Alphonse de Lamartine, translated by Eugène Plunkett, New York: D. Appleton & Co., (Book IV, Note VIII, p. 60), 1857.