County. National Association of Counties. [2011-06-07]. O'Dell, Larry. Encyclopedia ofOklahoma History & Culture. "Ottawa County." 互联网档案馆的存檔,存档日期2013-10-04
, Papers of the twenty-second Algonquian conference, 11–20. Ottawa: Carleton University. ISSN 0831-5671 Bakker, Peter. 1996. A language of our own: The