
- Author: Friedrich A. Hayek
- Language: Spanish
- Year: 1977

- Author: Friedrich A. Hayek
- Language: Spanish
- Year: 1977

- Author: Friedrich A. Hayek
- Language: Portuguese
- Year: 1995

- Author: Friedrich A. Hayek
- Language: German

- Author: Friedrich August Hayek
- Language: Portuguese
- Year: 2011

- Author: Friedrich August Hayek
- Language: Portuguese
- Year: 2011

- Author: Friedrich A. Hayek Christophe Piton
- Language: French
- Year: 2007

- Author: Friedrich A. Hayek Christophe Piton
- Language: French
- Year: 2008

- Author: Friedrich A. Hayek
- Language: German
- Year: 2007