Omniglot: Sioux
- Phonological inventory of Dakota Sioux. With a sample text.
- http://www.omniglot.com/writing/sioux.htm

Dakota-Lakota Language and the Sioux Indian Tribes
- Pronunciation guide, language learning worksheets, and cultural information.
- http://www.native-languages.org/dakota.htm

Wikipedia: Sioux language
- Article with linguistic information on Santee, Yankton, and Lakota Sioux.
- http://en.wikipedia.org/wiki/Sioux_language

Ethnologue: Dakota
- Basic demographic and linguistic information.
- http://www.ethnologue.com/show_language.asp?code=dak

Dakota Language Homepage
- Language lessons and methodology for vocabulary, pronunciation, spelling and reading.
- http://www.alliance2k.org/daklang/dakota9463.htm