"GCT-T1 Ohio County Population Estimates—2005", The United States Census Bureau, retrieved January 3, 2006. True summation of Ohio Appalachia counties population (1,476,384) obtained by adding the 29 individual county populations together (July 1, 2005 data). Percentage obtained by dividing that number into that table's estimate of Ohio population as of July 1, 2005 (11,464,042)
“Native Ohio”. American Indian Studies. Ohio State University. 2007年2月2日時点のオリジナルよりアーカイブ。2007年2月25日閲覧。 “Ohio comes from the Seneca (Iroquoian) ohiiyo’ 'good river'”
“Native Ohio”. American Indian Studies. Ohio State University. 2007年2月2日時点のオリジナルよりアーカイブ。2007年2月25日閲覧。 “Ohio comes from the Seneca (Iroquoian) ohiiyo’ 'good river'”