Morlan, R. L. (1955). Political prairie fire: The Nonpartisan League, 1915-1922. University of Minnesota Press.
Chicago-čujuhus (17. p.)Morlan, Robert Loren. Political Prairie Fire: The Nonpartisan League, 1915-1922. Minneapolis: University of Minnesota Press, 1955.
MLA-čujuhus (9. p.)Morlan, Robert Loren. Political Prairie Fire: The Nonpartisan League, 1915-1922. University of Minnesota Press, 1955.
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