- Author: John Perry
- Language: English
- Year: 1997
- Author: John Perry
- Language: English
- Year: 2011
- Author: John Perry
- Language: English
- Year: 2002
- Author: Peter John Perry
- Language: English
- Year: 2001
- Author: JeeLoo Liu John Perry (eds.)
- Language: English
- Year: 2012
- Author: John Perry
- Language: Spanish
- Year: 2012
- Author: Michael John Perry, Chan Ghee Koh
- Language: English
- Year: 2010
A pörgettyű
epub
- Author: John Perry
- Language: Hungarian
- Author: John Perry
- Language: English
- Year: 2004
- Author: Elphinstone John, Perry Roland, Queen of Great Britain Victoria
- Language: English
- Year: 2014
