- Author: Walter Goffart
- Language: English
- Year: 2010
- Author: Carl Erdmann, Walter Goffart, Marshall Whithed Baldwin
- Language: English
- Year: 2019
- Author: Walter Goffart
- Year: 1989
- Author: Walter Goffart
- Language: English
- Year: 1987
- Author: Walter Goffart
- Language: English
- Year: 2006
- Author: Walter Goffart
- Language: English
- Year: 2006
- Author: Walter Goffart
- Language: English
- Year: 1974