- Author: Thomas Krefeld (editor), Wulf Oesterreicher (editor), Verena Schwägerl-Melchior (editor)
- Language: Italian
- Year: 2013
- Author: Jan-Dirk Müller (editor), Wulf Oesterreicher (editor), Friedrich Vollhardt (editor)
- Language: German
- Year: 2010
- Author: Peter Koch, Wulf Oesterreicher
- Language: German
- Year: 2011
- Author: Wulf Oesterreicher
- Language: Spanish
- Year: 2006
- Author: Wulf Oesterreicher
- Language: Spanish
- Year: 2014
- Author: Peter Koch & Wulf Oesterreicher
- Language: Spanish
- Year: 2007
Gesprochene Sprache in der Romania. Französisch, Italienisch, Spanisch (Romanistische Arbeitshefte)
pdf
- Author: Peter Koch Wulf Oesterreicher
- Language: German
- Year: 2011