"Manolo Blahnik: 'There is nothing charming about a woman who cannot walk in her shoes'" by Jess Cartner-Morley, www.theguardian.com. November 20, 2012.
John James Audubon (1835). “Ornithological Biography: Or An Account of the Habits of the Birds of the United States of America; Accompanied by Descriptions of the Objects Represented in the Work Entitled The Birds of America, and Interspersed with Delineations of American Scenery and Manners. 5 Vol. Il. Q.”, p.165