- Author: Richard Graham Thomas E. Skidmore Aline Helg Alan Knight
- Language: English
- Year: 1990
- Author: Aline Helg
- Language: English
- Year: 2000
- Author: Aline Helg
- Language: English
- Year: 2019
- Author: Richard Graham, Thomas E. Skidmore, Aline Helg, Alan Knight
- Language: English
- Year: 1992
- Author: Aline Helg
- Language: Spanish
- Year: 1987
- Author: Aline Helg
- Language: French
- Year: 1984
- Author: Jorge Orlando Melo Magdala Velásquez Toro Renán Silva Olarte Jaime Jaramillo Uribe Aline Helg Gabriel Poveda Ramos Jorge Arias de Greiff Bernardo Tovar Zambrano Rubén Sierra Mejía Enrique Low Murtra Gonzalo Cataño Jaime Arocha Rodríguez Néstor José Bejarano Ávila Patricia Londoño Vega Santiago Londoño Vélez
- Language: Spanish
- Year: 1989
- Author: Aline Helg, José Antonio Tabares del Real
- Language: Spanish
- Year: 2000
- Author: Aline Helg
- Language: Spanish
- Year: 2018
- Author: Aline Helg
- Language: Spanish
- Year: 2018