- Author: Hans Petersen (auth.)
- Language: German
- Year: 1936
- Author: Hans Petersen (auth.)
- Language: German
- Year: 1941
- Author: William F. Petersen M. D. (auth.)
- Language: German
- Year: 1923
- Author: Hans Petersen (auth.)
- Language: German
- Year: 1935
- Author: Hans Petersen (auth.)
- Language: German
- Year: 1922
- Author: Gloria Petersen
- Language: English
- Year: 2013
Agile Marketing
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- Author: Michelle Accardi-Petersen
- Language: English
- Year: 2011