- Author: Anselm C. Hagedorn
- Language: German
- Year: 2004
- Author: Jan Hinrich Hagedorn
- Language: English
- Year: 2019
- Author: Dieter Hagedorn
- Language: Greek, Modern (1453-)
- Year: 1964
- Author: John M. Hagedorn Craig Haney
- Language: English
- Year: 2022
- Author: Ralph K. Hagedorn
- Language: English
- Year: 2016
- Author: John M. Hagedorn
- Language: English
- Year: 2015
- Author: William G. Tierney, Linda Serra Hagedorn
- Language: English
- Year: 2002