Thomas Athol Joyce and Walter Francis Willcox, 1911 Encyclopædia Britannica (1911)
“ When one considers both the great number of deaths caused by consumption and pneumonia, 28.4% of the deaths from all causes in 1900 and the very high death-rate of negroes from these diseases, it is no exaggeration to say that the main cause that the death-rate of that race is double that of the white race lies in the ravages of these two scourges of mankind. ”
