The Nuttall Encyclopedia
Races of Mankind
These have been divided into five, the Caucasian (q. v .) or Indo-European, the Mongolian or Yellow, the Negro or Black, the Malayan or Tawny, and the India or Copper-coloured.
Wood, James, ed. Entry for 'Races of Mankind'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/r/races-of-mankind.html. Frederick Warne & Co Ltd. London. 1900.