Alaska Native Language Center: Comparative Yupik and Inuit - Phonological differences between the four Yupik (or Western Eskimo) languages of the Gulf of Alaska, southwestern Alaska, and easternmost Siberia, and the Inuit (or Eastern Eskimo) language continuum of northern Alaska, Canada, and Greenland.
Alaskool: Many Tongues - Ancient Tales - Article by Michael E. Krauss discussing whether American languages came from Asia and the links between specific families.
Arctic Languages - An Awakening - Unesco publication describing the present state of Arctic languages and the changes that have taken place in social attitudes in the Arctic regions since the Second World War (PDF format). [PDF]
