"United States" . . . . . "An American Negro: his past and future"@en . . . "The American negro, his past and future" . . . . . . . . . . . "The American Negro his past and future"@en . . . . "The American Negro : his past and future"@en . "The American Negro; his past and future" . "American negro his past and future" . . . . "The American Negro, his past and future"@en . . "History"@en . . .