Ижил төстэй зүйлс: Suth of Panama /
- Panama to Patagonia; the Isthmian canal and the west coast countries to South America /
- South America, an economic and regional geography. with and historical chapter /
- Exploraciones a los istmos de Panamá y Darién.
- Inside South America
- South America; observations and impressions /
- South America, past and present /
Сэдэв: AMERICA DEL SUR
- Suth of Panama /
- Sydamerika; fremtidens verden /
- South America, past and present /
- Panama to Patagonia; the Isthmian canal and the west coast countries to South America /
- South America; observations and impressions /
- ENCUESTA AGROMETEOROLOGICA DE LAS TIERRAS BAJAS DE LOS TROPICOS HUMEDOS DE AMERICA DEL SUR