Limited (search only) 1961-1963
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University of Michigan
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Limited (search only) 1961-1967
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Northwestern University
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Limited (search only) 1964-69
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University of Virginia
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Limited (search only) 1968-1971
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Northwestern University
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Limited (search only) 1970
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University of Michigan
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Limited (search only) 1971-74
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University of Virginia
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Limited (search only) 1972-1975
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Northwestern University
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Limited (search only) 1975
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University of Virginia
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Limited (search only) 1976
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Northwestern University
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Limited (search only) 1978
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Northwestern University
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Limited (search only) 1979/1980
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Northwestern University
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Limited (search only) 1981/1982
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Northwestern University
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Limited (search only) 1983
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Northwestern University
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Limited (search only) 1984
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Northwestern University
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Limited (search only) 1985
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Northwestern University
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Limited (search only) 1986
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University of Michigan
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Limited (search only) 1987
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University of Michigan
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Limited (search only) 1988
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University of Michigan
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Limited (search only) 1989
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Northwestern University
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Limited (search only) 1990
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Northwestern University
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Limited (search only) 1991
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Northwestern University
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