. . "American philanthropist" . "Margaret Cameron Carnegie Miller"@en . "Margaret Carnegie Miller (March 30, 1897 \u2013 April 11, 1990) was the only child of industrialist and philanthropist Andrew Carnegie and heiress to the Carnegie fortune."@en . "1990Z"^^ . . "Miller, Margaret Carnegie"@en . . . . "1897-03-30Z"^^ . "1990-04-11Z"^^ . . . "1897Z"^^ . "Margaret Carnegie"@en .