"Agriculture Economic aspects Middle West." . . "United States." . . "Agriculture and state United States." . . . . "Agriculture Economic aspects." . . "Agriculture and state." . . . . . . . . . . . . . . . . "Twentieth century populism. Agricultural discontent in the Middle West, 1900-1939"@en . . "Twentieth-century populism. Agricultural discontent in the Middle West, 1900-1939"@en . "Twentieth century populism. Agricultural discontent in the Middle West, 1900-1939" . . . "Twentieth-century populism : Agricultural discontent in the Middle West 1900-1939"@en . . . . . . "Twentieth-century populism : agricultural discontent in the Middle West, 1900-1939"@en . "Twentieth-century populism agricultural discontent in the Middle West 1900-1939"@en . "Twentieth-century populism. agricultural dis-content in the middle west"@en . "Twentieth-century populism" . . . . . "Twentieth century populism: agricultural discontent in the Middle West"@en . "Twentieth-century populism : agricultural discontent in the Middle West 1900-1939" . . . . "Twentieth century populism : agricultural discontent in the Middle West, 1900-1939"@en . . "Agricultural discontent in the Middle West, 1900-1939"@en . "Agricultural discontent in the Middle West, 1900-1939" . "Twentieth-century populism; agricultural discontent in the Middle West 1900-1939"@en . "Twentieth-century populism : agricultural discontent in the Middle West; 1900-1939" . . . . "20th century populism"@en . "Middle West." . .