Horace Mann (1850). “A Few Thoughts for a Young Man: A Lecture, Delivered Before the Boston Mercantile Library Association, on Its 29th Anniversary”, p.76
William Wordsworth (1848). “The Complete Poetical Works of William Wordsworth: Together with a Description of the Country of the Lakes in the North of England”, p.355
John Muir (1997). “Nature Writings: The Story of My Boyhood and Youth, My First Summer in the Sierra, the Mountains of California, Stickeen, Selected Essays”, p.739, Library of America
"Quvenzhané Wallis, Dwight Henry, and Director Benh Zeitlin Talk About Their Feature Debut BEASTS OF THE SOUTHERN WILD". Interview with Sheila Roberts, collider.com. June 27, 2012.