1. Nuevo descubrimento del Gran Rio de las Amazonas;Acuña,1891
2. Extinct and vanishing mammals of the Western Hemisphere;Allen,1942
3. A description of the coasts of North and South Guinea: and of Ethiopia Inferior, vulgarly Angola, being a new and accurate account of the western maritime countries of Africa;Barbot,1774
4. A conservação da natureza e recursos naturais na Amazônia brasileira;Carvalho,1967
5. Colombia still exporting ‘protected’ species;Donadio;Not Man Apart,1975