Peña Gutiérrez, Isaías (1988). Breve Historia de José Eustasio Rivera [Brief History of José Eustasio Rivera] (PDF) (in Spanish). Bogotá: Cooperativa Editorial Magisterio. pp. 7–8. ISBN 978-958-20-0031-8. OCLC 18541468. [2]Archyvuota kopija 2012-03-13 iš Wayback Machine projekto.
Peña Gutiérrez, Isaías (1988). Breve Historia de José Eustasio Rivera [Brief History of José Eustasio Rivera] (PDF) (in Spanish). Bogotá: Cooperativa Editorial Magisterio. pp. 7–8. ISBN 978-958-20-0031-8. OCLC 18541468. [3]Archyvuota kopija 2012-03-13 iš Wayback Machine projekto.
nytimes.com
Dr. Jose E. Rivera, Author, Dies Here. Colombian Was Writing English Edition of His Novel 'La Voragine'. Prominent Diplomat". New York Times. December 2, 1928. [1]
web.archive.org
Peña Gutiérrez, Isaías (1988). Breve Historia de José Eustasio Rivera [Brief History of José Eustasio Rivera] (PDF) (in Spanish). Bogotá: Cooperativa Editorial Magisterio. pp. 7–8. ISBN 978-958-20-0031-8. OCLC 18541468. [2]Archyvuota kopija 2012-03-13 iš Wayback Machine projekto.
Peña Gutiérrez, Isaías (1988). Breve Historia de José Eustasio Rivera [Brief History of José Eustasio Rivera] (PDF) (in Spanish). Bogotá: Cooperativa Editorial Magisterio. pp. 7–8. ISBN 978-958-20-0031-8. OCLC 18541468. [3]Archyvuota kopija 2012-03-13 iš Wayback Machine projekto.