Brooks, Daniel Fate (2003). „The Faces of William R. King”(PDF). Alabama Heritage. University of Alabama, University of Alabama at Birmingham, Alabama Department of Archives and History. 69 (Summer): 14—23. Архивирано из оригинала(PDF) 21. 3. 2012. г. Приступљено 17. 3. 2012.
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Brooks, Daniel Fate (2003). „The Faces of William R. King”(PDF). Alabama Heritage. University of Alabama, University of Alabama at Birmingham, Alabama Department of Archives and History. 69 (Summer): 14—23. Архивирано из оригинала(PDF) 21. 3. 2012. г. Приступљено 17. 3. 2012.