- Author: J. Ambjorn B.J. Durhuus and J.L. Petersen (Eds.)
- Language: English
- Year: 1985
- Author: Penny A. Petersen
- Language: English
- Year: 2013
- Author: Penny A. Petersen
- Language: English
- Year: 2013
Royal God
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- Author: Allan Rosengren Petersen
- Language: English
- Year: 1998
- Author: Donna Petersen MHS ScD (auth.) David Hollar (eds.)
- Language: English
- Year: 2012