"1894-11-23Z"^^ . "Vivian and Rosetta Duncan"@en . "1959-12-04Z"^^ . "0242133" . "0242090" . "American entertainer" . . . "Duncan sisters"@en . . . "1894Z"^^ . "1959Z"^^ . . "The Duncan Sisters were an American vaudeville duo who became popular in the 1920s with their act Topsy and Eva."@en . .