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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 1(1-2), 2009: 2(1), 2010: 3(1-2), 2011: 4(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 5(1-2), 2013: 6(1), 2014/2015: 7(1-2), 2015: 8(1-2), 2016: 9(1), 2018: 10(1), 2019: 11(1), 2020: 12(1), 2021: 13(1), 2022: 14(1), 2023: 15(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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0 to 12
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LOCKSS Archive
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Preserved
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2026-02-09
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0 to 12
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1, 2); 2 (, 1); 3 (, 1, 2); 4 (, 1); 5 (, 1, 2); 6 (, 1); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2020; 2021; 2022; 2023
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Library of Congress
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Preserved
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2025-04-07
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3 (2); 14 (1)
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