- Author: Christiane Ritter
- Language: Spanish
- Year: 2019
- Author: Mary Ritter Beard
- Language: English
- Year: 1915
- Author: S. Rao Chitikela Venkata Gullapalli William F. Ritter
- Language: English
- Year: 2022
- Author: Bill Ritter Jr.
- Language: English
- Year: 2016
- Author: Gerhard Ritter R. T. Clark
- Language: English
- Year: 2015
- Author: Kenneth R. Roth Felix Kumah-Abiwu Zachary S. Ritter
- Language: English
- Year: 2022
- Author: Carroll D Ritter
- Language: English
- Year: 2022
Defense
epub
- Author: Field-Marshal Wilhelm Ritter von Leeb
- Language: English
- Year: 2016
- Author: Gustav Tams Carl Ritter (ed.)
- Language: German
- Year: 1845
