Note 8 — Chapter III · Tales with the Simple Theme and Miscellaneous Combinations.
Reading edition
See Baring-Gould’s Curious Myths, 2nd ed. 1869, pp. 561 ff. for a popular account. The philosophical basis of the tale is discussed by Liebrecht, Zur Volkskunde, 1879, pp. 54 ff. (from Germania, xiii. 161 ff.), and by Hartland, Science of Fairy Tales, 1891, pp. 255–332, 337–347.