- Author: Loek Halman, Inge Sieben, Marga van Zundert
- Language: English
- Year: 2011
- Author: Ruud Luijkx, Loek Halman, Inge Sieben, Evelyn Brislinger, Markus Quandt
- Language: English
- Year: 2016
- Author: Wil Arts, Loek Halman
- Language: English
- Year: 2013
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- Author: Loek Halman Inge Sieben Marga van Zundert
- Language: English
- Year: 2011
- Author: Joep de Hart Paul Dekker Loek Halman (auth.) Joep de Hart Paul Dekker Loek Halman (eds.)
- Language: English
- Year: 2013
- Author: Joep de Hart Paul Dekker Loek Halman (auth.) Joep de Hart Paul Dekker Loek Halman (eds.)
- Language: English
- Year: 2013
- Author: Paul Dekker Loek Halman (auth.) Paul Dekker Loek Halman (eds.)
- Language: English
- Year: 2003
