. "Sylvia Kerckhoff"@en . . . . . . . "Sylvia Kerckhoff (born 1928) is an American politician who served as the mayor of Durham, North Carolina, from 1993 to 1997."@en . . . . . . "49643168"^^ . . . . . . "Sylvia Kerckhoff (born 1928) is an American politician who served as the mayor of Durham, North Carolina, from 1993 to 1997."@en . . . . . . . . . "Duke University"@en . "2052"^^ . . . . . . . . . . . . . . . . . . . . . "1094518729"^^ . "Sylvia Kerckhoff"@en . . . . . . . . . . "Sylvia Kerckhoff"@en . "Toledo, Ohio, U.S."@en . . "1993"^^ . "1997"^^ .