- Author: Ian Roberts
- Language: English
- Year: 2022
- Author: Andrea Moro, Ian Roberts
- Language: English
- Year: 2016
- Author: John Ole Askedal, Ian Roberts, Tomonori Matsushita
- Language: English
- Year: 2010
- Author: John Ole Askedal, Ian Roberts, Tomonori Matsushita, Hiroshi Hasegawa
- Language: English
- Year: 2009
- Author: Theresa Biberauer (editor), Ian Roberts (editor)
- Language: English
- Year: 2013
- Author: Ian Roberts
- Language: English
- Year: 1987
- Author: Ian Roberts, Phil Edwards
- Language: English
- Year: 2010
- Author: Ian Roberts and Mary Kato
- Language: Portuguese
- Year: 2018
- Author: Ian Roberts
- Language: English
- Year: 2019