DyC 78:15-16
DyC 88:112-116
from the Historical Textbook and Atlas of Biblical Geography by Lyman Coleman.
This identifies the three known continents (Asia, Europe, and Africa) as respectively populated by descendants of Sem (Shem), Iafeth (Japheth), and Cham (Ham).
https://en.wikipedia.org/wiki/Generations_of_Noah
