- Author: Hans Petter Langtangen
- Language: English
- Year: 2012
- Author: Jessie COULSON, Charles Telford CARR, Dorothy Eagle, Lucy HUTCHINSON (Lexicographer), Joyce Hawkins, Helen Mary PETTER
- Language: English
- Year: 1978
- Author: Petter Gottschalk
- Language: English
- Year: 2021
- Author: Franz Petter
- Language: German
- Year: 1857
- Author: Franz Petter
- Language: German
- Year: 1857
- Author: Jouni Smed Tomi 'bgt' Suovuo Natasha Skult Petter Skult
- Language: English
- Year: 2021
Diario
epub
- Author: Petter Moen
- Language: Spanish
- Author: Kari Aga Myklebost, Jens Petter Nielsen, Andrei Rogatchevski
- Language: English
- Year: 2020
- Author: Margarida Petter Heliana Mello Yeda Pessoa de Castro
- Language: Portuguese
- Year: 2014
