Czubek, TA; Greenwald, J (Fall 2005). “Understanding Harry Potter: Parallels to the Deaf World”. Journal of Deaf Studies and Deaf Education10 (4): 442–50. doi:10.1093/deafed/eni041. PMID16000691.
#9: J. K. RowlingArchived 2018-02-17 at the Wayback Machine.. The Celebrity 100. Forbes. 11 June 2008. "The final one, Harry Potter and the Deathly Hallows, has sold 44 million since it was published last July, including 15 million in the first 24 hours." Retrieved 17 July 2009
Czubek, TA; Greenwald, J (Fall 2005). “Understanding Harry Potter: Parallels to the Deaf World”. Journal of Deaf Studies and Deaf Education10 (4): 442–50. doi:10.1093/deafed/eni041. PMID16000691.
#9: J. K. RowlingArchived 2018-02-17 at the Wayback Machine.. The Celebrity 100. Forbes. 11 June 2008. "The final one, Harry Potter and the Deathly Hallows, has sold 44 million since it was published last July, including 15 million in the first 24 hours." Retrieved 17 July 2009