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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 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 8); 21 (, 1 to 8); 22 (, 1 to 3, 5 to 8); 23 (, 1 to 5); 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 2003/2004/2005: 1(1-4), 2004: 2(1-3), 2005: 3(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 24
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 5(4), 2008: 6(2), 2009: 7(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 9(1-6)
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LOCKSS Archive
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In Progress
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2026-02-09
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10, 17
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 10(6), 2013: 11(1-4, 6), 2014: 12(1-6), 2015: 13(2-6), 2016: 14(1-8), 2017: 15(1-8), 2018: 16(1-8), 2019: 17(1-8), 2018/2019/2020: 18(1, S 1, 2-8), 2021: 19(1, S 1, 2-4, 6-8), 2022: 20(1, S 1, 2-7), 2023: 21(1, S 1, 3-8), 2024: 22(1-8), 2025: 23(1-2, 5-8), 2026: 24(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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11 to 16
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Library of Congress
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Preserved
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2025-04-07
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15 (S1); 16 (S1, 3 to 8); 17 (1, S1, 2 to 8); 18 (S1, 1 to 8); 19 (S1, 1 to 8); 20 (S1, 1 to 8); 21 (1, S1, 2 to 8); 22 (1 to 7); 23 (1)
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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 8); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 8); 15 (1 to 8); 16 (Suppl 1, 1 to 8); 17 (Suppl 1, 1 to 8); 18 (Suppl 1, 1 to 8); 19 (Suppl 1, 1 to 8); 21 (Suppl 1, 1 to 8); 22 (Suppl 1, 1 to 8)
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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 (Suppl 1, 1 to 8); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 8); 15 (1 to 8); 16 (Suppl 1, 1 to 8); 17 (Suppl 1, 1 to 8); 18 (Suppl 1, 1 to 8); 19 (Suppl 1, 1 to 8); 21 (Suppl 1, 1 to 8); 22 (Suppl 1, 1 to 8)
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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 (2, 4); 3 (2-4); 4 (1, 3, 4); 5 (1, 2, 4); 6 (1-4); 7 (1-6); 8 (1-3, 5, 6); 9 (1-6); 10 (1, 2, 4-6); 11 (1-6); 12 (1-6); 13 (supplement-1, 1-6); 14 (supplement-1, 1-3, 5-7); 15 (supplement-1, 1-8); 16 (supplement-1, 1-8); 17 (supplement-1, 1-7); 33 (3)
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