- Author: Robert N. Compton, Nathan I. Hammer, Ethan C. Lambert, J. Stewart Hager
- Language: English
- Year: 2022
- Author: Christopher Hager
- Language: English
- Year: 2014
- Author: Shirley N. Hager, Mawopiyane
- Language: English
- Year: 2021
- Author: Angela Hager
- Language: German
- Year: 2010
- Author: Jenna Bush Hager
- Language: English
- Year: 2020
- Author: Evren Celik Wiltse, Lisa Hager
- Language: English
- Year: 2022
- Author: Christopher Hager
- Language: English
- Year: 2013
- Author: Christopher Hager
- Language: English
- Year: 2018
- Author: Anna Marie Hager, Everett G. Hager
- Language: English
- Year: 2020
