Profile of the Chuvash people, from NUPI - Centre for Russian Studies.
http://www.nupi.no/cgi-win/Russland/etnisk_b.exe?ChuvashianUnrepresented Nations and Peoples Organisation (UNPO) member page for Chuvash.
http://www.unpo.org/member_profile.php?id=17Chuvash placenames, from the GeoNative website.
http://www.geocities.com/Athens/9479/txuvax.html