Reidar Thoralf Christiansen, Folklore Fellows’ Communications… (1916)
“ But on the other hand if we find a tale, as for instance this now before us, appearing again and again in more than three hundred records from all ends of the world, and we see how curiously constant the tradition is, then just this wonderful tenacity of tradition gives us the right of regarding the material so reliable that we may venture to build a research on them. Surely we cannot expect a firm decision in all details, but on a large scale we can learn from the traditions the development and the ways of the type. ”
