Limited (search only) n.s. v.1 1975 no.3-5
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University of Michigan
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Limited (search only) v.6-11 1981:Winter-1990:Jan.
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Northwestern University
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Limited (search only) v.7-9 Dec.1982-Wint.1987
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University of Virginia
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Limited (search only) v.7-10 1982-88
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Pennsylvania State University
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Limited (search only) v.7-10 1982-1987
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University of Michigan
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Limited (search only) v.9-11 1961-1964
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University of Michigan
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Limited (search only) v.10-12 Sum.1987-Mar.1991
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University of Virginia
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Limited (search only) v.11-14 1989-93
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Pennsylvania State University
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Limited (search only) v.12-15 1964-1968
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University of Michigan
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Limited (search only) v.12-16 1990:May-1995:Jan.
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Northwestern University
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Limited (search only) v.13-15 July 1991-Jan. 1994
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University of Virginia
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Limited (search only) v.15-18 1983-97
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Pennsylvania State University
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Limited (search only) v.16-18
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University of Michigan
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Limited (search only) v.16-18 1994-1997
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University of Virginia
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Limited (search only) v.17-21 1995:Apr.-2000:Mar.
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Northwestern University
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Limited (search only) v.19-20 1971-1973
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University of Michigan
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Limited (search only) v.19-21 1997-2000
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Pennsylvania State University
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Limited (search only) v.19 1997
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University of Virginia
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Limited (search only) v.21-22 1973-1975
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University of Michigan
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Limited (search only) v.22-v.25 no.2 2000-03
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Pennsylvania State University
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Limited (search only) v.22-25:inc. 2000:Aug.-2003:Apr.
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Northwestern University
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Limited (search only) v.24 no.1 2002
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University of Michigan
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