Sunny days among Black people: the diary of an expedition into the Liberian jungle, 1935.
D001741:Black or African American; D044383:Black People; D005101:Expeditions / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007918:Leprosy / Q000453:epidemiology; D007988:Liberia; D008288:Malaria / Q000453:epidemiology; D008297:Male; D012899:Smallpox / Q000453:epidemiology; D014330:Tropical Medicine / Q000266:history*; D015001:Yaws / Q000453:epidemiology