LEADER 00000nam 2200265 a 4500 001 0316416 003 UkHlHU 007 t 008 001106 1 1971 000 eng 040 UkHlHU 050 4 G 2 C53 R4(133) 100 1 Schwind, Paul J. 245 10 Migration and regional development in the United States, 1950-1960. 260 Chicago, Ill. :|bU. of Chicago,|c1971. 300 170p. 440 0 University of Chicago, Department of Geography, research papers ;|v133 650 0 Population theory. 650 0 Demography. 650 0 Demography|xUnited States. 946 020 absent -- ISBN check required 946 650 |x Subfield is geographical name -- Check for Geac subject headings
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