Bonser, Wilfrid (1928). "The Mythology of the Kalevala, with Notes on Bear-Worship among the Finns". Folklore. 39 (4): 344–358. doi:10.1080/0015587X.1928.9716794. JSTOR1255969.
jstor.org
Bonser, Wilfrid (1928). "The Mythology of the Kalevala, with Notes on Bear-Worship among the Finns". Folklore. 39 (4): 344–358. doi:10.1080/0015587X.1928.9716794. JSTOR1255969.