
- Author: Paul J.J.M. Bakker Johannes M.M.H. Thijssen
- Language: English
- Year: 2008

- Author: Pieter H. Bakker Schut
- Language: German
- Year: 1987

- Author: Mathieu de Bakker Irene J.F. de Jong
- Language: English
- Year: 2021

- Author: Hans T. Bakker
- Language: English
- Year: 2020

- Author: Hans T. Bakker (ed.)
- Language: English
- Year: 2004

- Author: Hugh of Floreffe Eve of Saint-Martin Johannes of Magdeburg Anneke B. Mulder-Bakker (ed.)
- Language: English
- Year: 2012

- Author: Lothar Bakker, Brigitte Galsterer-Kröll
- Language: German
- Year: 1975