"Literature" . . . . "Robert Penn Warren the dark and bloody ground" . "Robert Penn Warren the dark and bloody ground"@en . . . . . . "Criticism, interpretation, etc" . "Robert Penn Warren: The Dark and Bloody Ground" . . . . . . . . . . . . . . . . "Robert Penn Warren : the dark and bloody ground" . "Robert Penn Warren : the dark and bloody ground"@en . . . . "Robert Penn Warren : The dark and bloody ground" . . . "Robert Penn Warren: the dark and bloody ground" . . "Robert Penn Warren"@en . "Robert Penn Warren" . "Robert Penn Warren : the Dark and Bloody Ground" . . . . . "Southern States" . . "Poesia americana Studio Sec. XIX-XX." . . . .