- Author: Katrin Barth, Richard Heuchert, Berndt Barth
- Language: English
- Year: 2007
- Author: Katrin Barth, Lothar Boesing, Berndt Barth
- Language: English
- Year: 2010
- Author: Katrin Barth, Hubert Brühl, Petra Haynes
- Language: English
- Year: 2007
- Author: Katrin Barth, Antje Linkerhand
- Language: English
- Author: Katrin Barth, Lothar Boesing, Berndt Barth
- Language: English
- Year: 2010
- Author: Katrin Barth, Hubert Brühl, Petra Haynes
- Language: English
- Year: 2007
- Author: Katrin Barth, Antje Linkerhand
- Language: English
- Author: Katrin Barth, Lothar Boesing
- Language: English
- Author: Katrin Barth, Lutz Nordmann
- Language: English
- Year: 2005
Learning soccer
pdf
- Author: Katrin Barth, Ullrich Zempel
- Language: English
- Year: 2004