Note 813 — VIII PRIMITIVE AGRICULTURAL RACES
Reading edition
On this subject see Davidson, Geographical Pathology; Clemow, Geography of Disease; Hirsch, Geographical and Historical Pathology; and Johnston, Negro in the New World, pp. 15 ff.
Reading edition
On this subject see Davidson, Geographical Pathology; Clemow, Geography of Disease; Hirsch, Geographical and Historical Pathology; and Johnston, Negro in the New World, pp. 15 ff.