Ethnologue: Potawatomi - Basic demographic and linguistic information. - http://www.ethnologue.com/show_language.asp?code=pot
Wikipedia: Potawatomi language - Article including a phonological inventory and comparison to Ojibway. - http://en.wikipedia.org/wiki/Potawatomi_language
A Potawatomi Word a Day - Ongoing Potawatomi language lessons and archive. - http://neaseno.bravewriting.com/