↑Frank, R. M. Bear Ceremonialism in relation to three ritual healers: the Basque salutariyua, the French marcou and the Italian maramao. Uomini e Orsi, 41–122. https://doi.org/10.4000/BOOKS.AACCADEMIA.1377
↑Wilfred Bonser (2012) "The Mythology of the Kalevala, with Notes on Bear-Worship Among the Finns.", p. 344
Chaussonnet, Valerie (1995). Native Cultures of Alaska and Siberia. Washington, D.C.: Arctic Studies Center. p.112. ISBN1-56098-661-1.
Gall, Timothy L. (1998). Worldmark Encyclopedia of Cultures and Daily Life. Nivkhs. Detroit, Míchigan: Gale: Research Inc. p.2100. ISBN0-7876-0552-2.
Kindaichi, Kyōsuke; Yoshida, Minori (Winter 1949). "The Concepts behind the Ainu Bear Festival (Kumamatsuri)". Southwestern Journal of Anthropology (Universidade de Novo México) 5 (4): 345–350. JSTOR3628594. doi:10.1086/soutjanth.5.4.3628594.
ArctolatryArquivado 2013-08-17 en Wayback Machine. - Un sitio web que describe formas históricas de adoración de osos en todo o mundo con mapas e liñas de tempo.