Appun, K.F. Pod Tropikami: Stranstvovanie Po Venesuele, Na Orinoko, V Britanskoj Gviane I Na Amazonke S 1845 Po 1868 God., 1873. /Appun, K.F. Beneath the Tropics: Journey Through Venezuela, the Orinoco, British Guiana, and the Amazon From 1845 to 1868....
Karl Ferdinand Appun