| Views | |
| Migration, Polarization, and Sorting in the American Electorate | 336 |
| November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | April 2013 | May 2013 | |
| Migration, Polarization, and Sorting in the American Electorate | 8 | 12 | 25 | 9 | 17 | 15 | 22 |
| Views | |
| D_McDonald_Ian_a_200912.pdf | 209 |
| D_McDonald_Ian_a_200912.pdf.txt | 2 |
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| United States of America | 224 |
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| Mountain View | 51 |
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