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Jeffrey Renaud (December 29, 2008). "Fabian Nicieza Unleashes Azrael". Comic Book Resources. Archived from the original on December 30, 2008. Retrieved December 31, 2008.
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Clow, Chris (December 14, 2009). "A Look Back at "Batman R.I.P."". Batman-On-Film. Archived from the original on December 28, 2009. Retrieved December 20, 2009.