"United States" . . . . "Ohio" . . "1980" . . . . "Reference works"@en . . . . . . . . . . "1980 census of population and housing. Congressional districts of the 98th Congress. Part 37. Ohio"@en . . . "Statistics"@en . "Census of population and housing (1980) Congressional districts of the 98th Congress"@en . . "Census data"@en . "Congressional districts of the 98th Congress : Ohio"@en . . . . .