GeoNative - Selkup
Selkup placenames, from the GeoNative website.
Selkups
Profile of the Selkup people, from NUPI - Centre for Russian Studies.
Selkups or Ostyak Samoyeds
Information from the Endangered Uralic Peoples site.
The Selkups
Overview article from The Red Book of the Peoples of the Russian Empire.