1. Aston, Elaine, and Geraldine Harris. 2012. A Good Night Out for the Girls: Popular Feminisms in Contemporary Theatre and Performance. Basingstoke: Palgrave Macmillan.
2. Botting, Fred. 1996. Gothic. London and New York: Routledge.
3. Broadway.com. 2014. “Character Study: Watch Hugh Panaro Transform Into Erik aka ‘The Phantom of the Opera’.” Video, 3:18, March 27, 2014. https://www.youtube.com/watch?v=7ADiLSQid9M .
4. Bush Jones, J. 2003. Our Musicals, Ourselves: A Social History of the American Musical Theatre . Waltham: Brandeis University Press.
5. Clum, J. M. 2001. Something for the Boys: Musical Theatre and Gay Culture . New York: St Martin’s Press.