"his birthplace" . "Walt Whitman Birthplace" . . . "The Walt Whitman Birthplace State Historic Site & Interpretive Center" . "1815" . . . . . "Walt Whitman's Birthplace" . . . . . . . "Walt Whitman House" . . . "1816" . . . . . "Walt Whitman Birthplace State Historic Site" . . . . . . . . "85002549" . "5260.91334912" . . . . . "Walt Whitman Birthplace State Historic Site" . . "His home" . .