Oziewicz, Marek (July 2010). "Representations of Eastern Europe in Philip Pullman's His Dark Materials, Jonathan Stroud's The Bartimaeus Trilogy, and J. K. Rowling's Harry Potter Series". International Research in Children's Literature. 3 (1): 1–14. doi:10.3366/ircl.2010.0002. ISSN1755-6198. S2CID143553813.
Angela Montefinise (7 August 2007). "The REAL Epilogue". New York Post Blog. Archived from the original on 26 February 2008. Retrieved 8 September 2007.
Oziewicz, Marek (July 2010). "Representations of Eastern Europe in Philip Pullman's His Dark Materials, Jonathan Stroud's The Bartimaeus Trilogy, and J. K. Rowling's Harry Potter Series". International Research in Children's Literature. 3 (1): 1–14. doi:10.3366/ircl.2010.0002. ISSN1755-6198. S2CID143553813.
Angela Montefinise (7 August 2007). "The REAL Epilogue". New York Post Blog. Archived from the original on 26 February 2008. Retrieved 8 September 2007.
Oziewicz, Marek (July 2010). "Representations of Eastern Europe in Philip Pullman's His Dark Materials, Jonathan Stroud's The Bartimaeus Trilogy, and J. K. Rowling's Harry Potter Series". International Research in Children's Literature. 3 (1): 1–14. doi:10.3366/ircl.2010.0002. ISSN1755-6198. S2CID143553813.