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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 6 (3, 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1, 2, 4); 14 (, 2 to 4); 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 6
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 6(4), 2012: 7(1-4), 2013: 8(1-4), 2014: 9(1-4), 2015: 10(1-2, 4), 2016: 11(1-4), 2017: 12(1-4), 2018: 13(1-4), 2019: 14(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 1(1-4), 2007: 2(1-4), 2008: 3(1-4), 2009: 4(1-4), 2010: 5(1-4), 2011: 6(1-4)
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Library of Congress
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Preserved
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2025-04-07
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14 (3, 4)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-4); 2 (1, 3, 4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4)
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