Limited (search only) v.1-7(1954-1960)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.2-6:1955-1959
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Columbia University
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Limited (search only) v.2 1955
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University of Colorado Boulder
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Limited (search only) v.3-4 1956/57
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University of Colorado Boulder
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Limited (search only) v.5-6 1958/59
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University of Colorado Boulder
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Limited (search only) v.7-8 1960/61
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University of Colorado Boulder
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Limited (search only) v.8-13(1961-1966)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.9-10 1962/63
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University of Colorado Boulder
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Limited (search only) v.10-12:1963-1965
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Columbia University
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Limited (search only) v.13:1966
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Columbia University
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Limited (search only) v.14-15(1967-1968)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.14 1967
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University of Colorado Boulder
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Limited (search only) v.15:1968
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Columbia University
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Limited (search only) v.16(1969)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.16:1969
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Columbia University
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Full view v.17 (1970)
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University of Minnesota
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Limited (search only) v.18 (1971)
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University of Minnesota
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Limited (search only) v.18(1971)
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University of Illinois at Urbana-Champaign
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Full view v.19(1972)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.22(1975)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.23(1976)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.24(1977)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.25(1978)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.26(1979)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.27(1980)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.28(1981)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.31(1984)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.37-38(1990-1991)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.39-40(1992-1993)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.47-48(2000-2001)
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University of Illinois at Urbana-Champaign
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Limited (search only) v.49-50(2002-2003)
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University of Illinois at Urbana-Champaign
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