- Author: Ricardo Fernández Gracia (editor)
- Language: Spanish, Castilian
- Year: 2016
- Author: Emilio Ricardo Báez Rivera
- Language: Spanish, Castilian
- Year: 2012
- Author: José Ricardo Chaves
- Language: Spanish, Castilian
- Year: 2013
- Author: Andreas Brockmann (editor), Martin Dabrowski (editor), Ricardo Lagos Andino (editor)
- Language: German
- Year: 2019
- Author: Ricardo Hausmann (editor), Francisco R. Rodríguez (editor)
- Language: English
- Year: 2015
- Author: Celso Furtado, Ricardo W. De Aguiar, Eric Charles Drysdale
- Language: English
- Year: 2021
- Author: Henrique Ricardo Otten (editor), Manfred Sicking (editor), Julia Schmidt (editor)
- Language: German
- Year: 2014
- Author: Ricardo Lagos
- Language: English
- Year: 2004