1. Simmel G (1950) In: Wolff KH (ed) The sociology of Georg Simmel
2. Emmons GT, De Laguna F (1991) The Tlingit Indians. University of Washington Press, Seattle
3. Goodwin G (1937) The characteristics and function of clan in a Southern Athapascan Culture. Am Anthropol 39(3):394–407. doi:
10.1525/aa.1937.39.3.02a00030
4. Shternberg LIA (Lev Iakovlevich) (1999) The social organization of the Gilyak. Anthropological papers of the AMNH; No. 82. Edited by Bruce Grant.
http://digitallibrary.amnh.org/dspace/handle/2246/281
5. Swanton JR (1909) Contributions to the ethnology of the Haida. E.J. Brill/G.E. Stechert, Leiden/New York