Limited (search only) no.1-8 (1970-73)
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University of Minnesota
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Limited (search only) no.1-10 Index(1970-1971)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.1-10 1970-1974
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The Ohio State University
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Limited (search only) no.9-21 (spring 1974-fall
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University of California
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Limited (search only) no.9-21(1974-1980)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.9-23 (1974-81)
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University of Minnesota
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Limited (search only) no.11-29 1975-1984
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Northwestern University
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Limited (search only) no.11-27 1975-83
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University of Virginia
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Limited (search only) no.11-21 1975-1980
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The Ohio State University
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Limited (search only) no.22-29 (1981-84)
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University of California
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Limited (search only) no.22-30(1981-1985)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.22-31index no.1-30 1981-1986
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The Ohio State University
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Limited (search only) no.24/25-36 1982-91
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University of Minnesota
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Limited (search only) no.28-32 1984-87
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University of Virginia
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Limited (search only) no.30-33 (1985-88)
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University of California
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Limited (search only) no.30-34 1985-1989
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Northwestern University
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Limited (search only) no.31-35(1986-1989)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.32-39 1987-1994
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The Ohio State University
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Limited (search only) no.33-36 1988-91
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University of Virginia
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Limited (search only) no.34-38 (1989-93)
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University of California
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Limited (search only) no.35 1990
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Northwestern University
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Limited (search only) no.36-39(1991-1994)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.36 1991
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Northwestern University
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Limited (search only) no.37-40 1992-95
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University of Virginia
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Limited (search only) no.37 1992
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Northwestern University
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Limited (search only) no.38 1993
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Northwestern University
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Limited (search only) no.39-40 (1994-95)
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University of California
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Limited (search only) no.39 1994
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Northwestern University
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Limited (search only) no.40-42(1995-1997)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.40-45 1995-2000
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The Ohio State University
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Limited (search only) no.40 1995
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Northwestern University
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Limited (search only) no.41-42 1996-97
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University of Virginia
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Limited (search only) no.41 1996
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Northwestern University
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Limited (search only) no.42 1997
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Northwestern University
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