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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, 3-4); 2 (, 1, 2, 3-4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1-2, 3-4); 6 (, 1-2, 3, 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 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 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 8); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 27
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 6(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 8(1), 2007: 9(1, 3), 2008: 10(3-6), 2009: 11(1-6), 2010: 12(1-6), 2011: 13(1-6), 2012: 14(1, 3-4), 2013: 15(1-6), 2014: 16(1-6), 2015: 17(2-6), 2016: 18(1-6), 2017: 19(1-6), 2018: 20(1-6), 2019: 21(1-6), 2018/2019/2020: 22(1-8), 2021: 23(1-12), 2022: 24(1-12), 2023: 25(1-12), 2024: 26(1-12), 2025: 27(1-2, 4-12)
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LOCKSS Archive
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In Progress
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2026-02-09
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14, 21
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LOCKSS Archive
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Preserved
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2026-02-09
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15 to 20
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Library of Congress
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Preserved
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2025-04-07
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20 (S1, 2 to 6); 21 (1 to 6); 22 (1 to 8); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 10)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 26 (1 to 12); 27 (, 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 (Suppl 1, 1 to 6); 3 (1 to 4); 4 (1 to 4); 5 (1, 3); 6 (1, 3, 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 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); 21 (1 to 6); 22 (1 to 8); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 1 (1 to 6); 2 (Suppl 1, 1 to 6); 3 (1 to 4); 4 (1 to 4); 5 (1, 3); 6 (1, 3, 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 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); 21 (1 to 6); 22 (1 to 8); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 1 (1-3); 2 (2); 3 (3, 4); 4 (1, 2, 4); 5 (1, 3); 6 (1); 7 (2, 4); 8 (1, 2, 4); 9 (1, 3, 4); 10 (1-6); 11 (1-5); 12 (1-6); 13 (1-6); 14 (1, 3-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (supplement-1, 1-6); 21 (1-5)
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