Kennedy, William (March 24, 2002). "The Turtle on the Fence Post". The New York Times. Archived from the original on December 2, 2007. Retrieved February 18, 2017.
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Kennedy, William (March 24, 2002). "The Turtle on the Fence Post". The New York Times. Archived from the original on December 2, 2007. Retrieved February 18, 2017.