Limited (search only) no.63:3-67:2 1963-67
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Pennsylvania State University
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Full view no.68:1-72:2 1968-72
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Pennsylvania State University
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Limited (search only) no.73:1-77:5 1973-77
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Pennsylvania State University
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Limited (search only) no.77:4-no.78:2
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University of Illinois at Urbana-Champaign
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Limited (search only) no.77:4-80:3 (Nov 1977-Sept 1980)
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University of California
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Limited (search only) no.78:1-80:5 1978-80
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Pennsylvania State University
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Limited (search only) no.80:5-84:2 (Nov 1980-Sept 1984)
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University of California
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Limited (search only) no.82:1-82:2 1982
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Pennsylvania State University
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Limited (search only) no.85-88 (1985-88)
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University of California
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Limited (search only) no.90-93 (1990-92)
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University of California
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Limited (search only) no.94 (1994)
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University of California
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Limited (search only) no.95-97 (1995-97)
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University of California
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