| Eastern South America. | América del Sur. Mapas generales. 1964.
Escala 1:7.286.400 | Grosvenor, Melville Bell / Cartographic Division. National Geographic Society / Darley, James M. |  |
| Northwestern South America. | América del Sur. Mapas generales. 1964.
Escala 1:6.652.800 | Grosvenor, Melville Bell / Cartographic Division. National Geographic Society / Mac Aleer, Ralph E. |  |
| National Geographic Atlas of the world. | Tierra. Atlas. 1963.
Varias escalas. | National Geographic Society. Washington D. C / Grosvenor, Melville Bell / Darley, James M. |  |
