
- 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