^"William D(enis) Griffin," Contemporary Authors Online; "William Denis Griffin," Directory of American Scholars (Detroit: Gale, 2002); Death notice, New York Times, 13 July 2011. نسخة محفوظة 5 مارس 2016 على موقع واي باك مشين.
^"William D(enis) Griffin," Contemporary Authors Online; "William Denis Griffin," Directory of American Scholars (Detroit: Gale, 2002).
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