Limited (search only) no.1-7 (1946-50)
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University of Minnesota
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Limited (search only) no.1-8
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University of California
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Limited (search only) no.1-9 1947-1951
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The Ohio State University
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Limited (search only) nos. 1-10 1947-1971
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Purdue University
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Limited (search only) no.1-19 Incompl.
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University of Michigan
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Limited (search only) no.8-20 (1951-60)
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University of Minnesota
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Limited (search only) no.9-10
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University of California
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Limited (search only) no.10-11 1954-1955
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Limited (search only) no.11-21 (lacks no.14)
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University of California
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Limited (search only) no.12-20 1956-1960
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Limited (search only) no.20-25
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University of Michigan
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Full view no.21-22 (1961-63)
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University of Minnesota
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Limited (search only) no.22
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University of California
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Limited (search only) no.23 1974
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The Ohio State University
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Full view no.24 (1974)
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University of Minnesota
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Limited (search only) nos. 26 1976-1981
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Purdue University
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Limited (search only) no.27
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University of Michigan
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Limited (search only) no.28 1978
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University of Michigan
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Limited (search only) no.29 1978
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University of Michigan
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Limited (search only) no.30 1979
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The Ohio State University
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Limited (search only) no.31 1979
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The Ohio State University
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Limited (search only) no.32-33 (1978-81)
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University of Minnesota
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Limited (search only) no.32 1978
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University of Michigan
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Limited (search only) nos. 33 1981
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Purdue University
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Limited (search only) no.33 1981
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University of Michigan
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