Limited (search only) v.1-2 1965-1966
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Northwestern University
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Limited (search only) v.1 1965
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University of Michigan
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Limited (search only) v.2 1966
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University of Michigan
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Limited (search only) v.3-4 1967-1968
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Northwestern University
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Limited (search only) v.3 1967
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University of Michigan
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Limited (search only) v.4 1968
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University of Michigan
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Limited (search only) v.5-6 1969-1970
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Northwestern University
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Limited (search only) v.5 1969
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University of Michigan
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Limited (search only) v.7 (1971)
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University of California
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Limited (search only) v.8:2 (1972)
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University of California
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Limited (search only) v.8-10 1972-1974
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Northwestern University
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Limited (search only) v.10-13 1974-77
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Pennsylvania State University
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Limited (search only) v.11-15 1975-1979
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Northwestern University
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Limited (search only) v.14-17 1978-81
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Pennsylvania State University
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Limited (search only) v.16-20:inc. 1980-1984
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Northwestern University
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Limited (search only) v.18-21 1982-85
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Pennsylvania State University
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Limited (search only) v.21-25:no.1 1985-1989
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Northwestern University
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Limited (search only) v.22-25 1986-89
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Pennsylvania State University
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Limited (search only) v.26-28 1990-1992
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Northwestern University
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Limited (search only) v.26-29 1990-93 & index
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Pennsylvania State University
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Limited (search only) v.29-30/31 1993-1994/1995
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Northwestern University
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Limited (search only) v.30-34 1994-98
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Pennsylvania State University
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Limited (search only) v.32-33 1996-1997
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Northwestern University
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Limited (search only) v.35 1999
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Pennsylvania State University
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Limited (search only) v.37-38 2001-02
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Pennsylvania State University
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Limited (search only) v.39 2004
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Pennsylvania State University
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Limited (search only) v.40 2005
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Pennsylvania State University
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Limited (search only) v.41 2006
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Pennsylvania State University
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Limited (search only) v.42 2007
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Pennsylvania State University
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Limited (search only) v.43 2008
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Pennsylvania State University
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