Limited (search only) no.1-4 (1969-70)
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University of Minnesota
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Limited (search only) no.1-6
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The Ohio State University
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Limited (search only) no.1-8 1969-73
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Cornell University
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Limited (search only) v.1(1969)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.2(1970)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.3(1970)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.4(1970)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.5(1974)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.5-10 (1972-75)
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University of Minnesota
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Limited (search only) v.6(1972)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.7(1972)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.8(1973)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.10(1975)
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University of Illinois at Urbana-Champaign
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Limited (search only) no.11-17 1974-1982
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University of Michigan
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Limited (search only) v.11(1974)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.12(1975)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.13(1977)
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University of Illinois at Urbana-Champaign
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