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Population change patterns of Wisconsin counties, 1950-1960
Fuguitt, Glenn V., (1961)
Massachusetts population growth and redistribution, 1950-1960
Wilkinson, Thomas O., (1963)
Recent changes in Delaware's population
Tilly, Charles, (1962)
Internal migration in the United States; 1940-1957: a list of references
Wilber, George L., (1958)