. "1947-05-08Z"^^ . . . "1862-05-15Z"^^ . "Cassius Jackson Keyser (May 15, 1862, Rawson, Ohio \u2013 May 8, 1947 New York City) was an American mathematician of pronounced philosophical inclinations."@en . "1947Z"^^ . . . . . "1862Z"^^ . . "Keyser, Cassius Jackson"@en . "American journalist" . . . "2015-05-15Z"^^ . . . . . . . . "Cassius Jackson Keyser"@en .