
- Author: Franz Oppenheimer
- Language: German
- Year: 1909

- Author: Hans Oppenheimer
- Language: German
- Year: 1925

- Author: Mark Oppenheimer
- Language: English
- Year: 2021

- Author: James J. Emery Michael F Oppenheimer Norman A Graham Richard L Kauffman
- Language: English
- Year: 2019

- Author: Danny Oppenheimer Grady Klein
- Language: English
- Year: 2017

El Estado
epub
- Author: Franz Oppenheimer
- Language: Spanish

- Author: A.R. Oppenheimer
- Language: English
- Year: 2018

- Author: Paul Oppenheimer
- Language: English