John James Audubon (1868). “The Life and Adventures of J. J. Audubon ... Edited, from Materials Supplied by His Widow, by Robert Buchanan. Second Edition. [With Portraits.]”, p.91
John James Audubon (1831). “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”, p.8
John James Audubon (1868). “The Life and Adventures of J. J. Audubon ... Edited, from Materials Supplied by His Widow, by Robert Buchanan. Second Edition. [With Portraits.]”, p.117
John James Audubon (1868). “The Life and Adventures of J. J. Audubon ... Edited, from Materials Supplied by His Widow, by Robert Buchanan. Second Edition. [With Portraits.]”, p.97