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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, 2-4); 2 (, 1 to 4); 3 (, 1, 2-3, 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 5); 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 5
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 20
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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), 2012: 7(1-3), 2013: 8(1-4), 2014: 9(1-6), 2015: 10(1-6), 2016: 11(1-6), 2017: 12(1-6), 2018: 13(1-6), 2018/2019: 14(1-6), 2019/2020: 15(1-6), 2021: 16(1-6), 2022: 17(1-6), 2023: 18(1-6), 2024: 19(1-6), 2025: 20(1-12)
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Library of Congress
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Preserved
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2025-04-07
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12 (3); 13 (2 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 19 (6); 20 (, 1 to 7); 2024; 2025
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1 to 6); 2 (1 to 4); 3 (1, 2, 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1 to 6); 2 (1 to 4); 3 (1, 2, 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 9 (3 to 6)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 9 (3 to 6)
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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, 2-4); 2 (1-4); 3 (1, 2-3, 4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (2-4); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-5); 46 (2)
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