- Author: Juan Ruiz, Raymond Smith Willis
- Language: English
- Year: 2015
- Author: Comisión Económica para América Latina y el Caribe (CEPAL), Patrimonio Natural, Juan Carlos Ramírez, Alberto Galán, Arturo García, Darío Fajardo, Enrique Sánchez, Guillermo Rudas, Javier Medina, Alfredo Sarmiento, Dorly Castañeda, Ernesto Guhl, Francisco Azuero, Francisco Ortiz, Germán Corzo, Jaime García, Jorge Armando Rodríguez, Juan Camilo Cárdenas, Juan Ruiz, Natalia Orduz, Rodrigo Uprimny, Guillermo Llinás, Laura González, Andrés Corredor, Hernán Trujillo, Andrea López
- Language: Spanish
- Year: 2013
- Author: Juan Ruiz Giorgio Chiarini (editor)
- Language: Italian
- Year: 1964
- Author: Mercedes Di Virgilio y Mariano Perelman (Coordinadores) Daniela Soldano Juan Ruiz John Gledhill Maria Gabriela Hita Enrique de la Garza Toledo Marcela Hernández Romo Morgane Govoreanu Tobias Topfer Carmen Imelda González Gómez Miroslaw Wójtowicz Susana María Sassone Brenda Matossian Daniel Hiernaux
- Language: Spanish
- Year: 2014
- Author: Juan Ruiz de Alarcón
- Language: Spanish
- Year: 2014
- Author: Juan Ruiz, Joan Corominas (editor)
- Language: Spanish
- Year: 1967
- Author: Julio Juan Ruiz
- Language: English
- Year: 2020
- Author: Juan Ruiz, Gerald Burney Gybbon-Monypenny (editor)
- Language: Spanish
- Year: 1988