William S. Walsh, The story of Santa Klaus (1909)
“ But for the sake of the six year olds it may be well to explain, as simply as I can in a few words, that comparative mythology is a branch of human knowledge which compares the myths and legends of one age and one people with the myths and legends of another age and another people, the object being to show how the later myths descend from the earlier ones, or how all the myths go back to some parent germ in the far-away past.By the aid, then, of the science of comparative mythology let us seek to study the historical growth of the idea that is now embodied in the Christmas tree. ”
