. "Porter, Sylvia Field"@en . "Sylvia Porter"@en . "Sylvia Field Porter (June 18, 1913 \u2013 June 5, 1991) was an American economist and journalist. At the height of her career, her readership was greater than 40 million people."@en . . "Sylvia Field Feldman"@en . "1991Z"^^ . . . "1913-06-18Z"^^ . "1991-06-05Z"^^ . "1913Z"^^ . . . "American economist and journalist" .