//-->
Economic Botany of Alabama
Harper, Roland MacMillan, (1913)
Geographical Report : including descriptions of the natural divisions, of the state, their forests and forest industries ...
The useful plants of the island of Guam : with an introduction account of the physical features and natural history of the Island, of the character and history of its people, and of their agriculture
Safford, William Edwin, (1905)
Die künstliche Bewässerung in Peru
Kinzl, Hans, (19XX)
Amazonien als organischer Lebensraum : zur Erinnerung and die 400jährige Wiederkehr der Entdeckung des Amazonas
Luetzelburg, Philipp von, (1940)
Brasilianischer Kautschuk : das Schicksal ibero-amerikanischer Monokulturen im anglo-amerikanischen System
Luetzelburg, Philipp von, (1944)