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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3 (1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1, 3, 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 2, 3); 17 (, 3, 5, 6); 18 (, 1, 3, 4); 19 (, 1, 4); 20 (, 1 to 4); 21 (, 1, 2, 4); 22 (, 1, 5, 6); 23 (, 1, 3, 5, 6); 24 (, 1 to 3, 6); 25 (, 2 to 6); 26 (, 2, 3, 5, 6); 27 (, 2, 3); 28 (, 1, 2); 2000; 2001; 2002; 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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CLOCKSS Archive
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Preserved
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2026-02-09
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3 to 28
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 3(1-4), 2001: 4(1-4), 2002: 5(1-4), 2003: 6(1-4), 2004: 7(1-4), 2005: 8(1-4), 2006: 9(1-4), 2007: 10(1-4), 2008: 11(1-4), 2009: 12(1-4), 2010: 13(1-4), 2011: 14(1-4), 2012: 15(1-4), 2013: 16(1-4), 2014: 17(1-6), 2015: 18(1-4), 2016: 19(1-4), 2017: 20(1-4), 2018: 21(1-6), 2019: 22(1, S 1, 2, 4-6), 2020: 23(1-6), 2021: 24(1-6), 2022: 25(1-5), 2023: 26(1-6), 2024: 27(1-6), 2025: 28(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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15, 22
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LOCKSS Archive
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Preserved
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2026-02-09
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16 to 21
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Library of Congress
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Preserved
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2025-04-07
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21 (2 to 6); 22 (1, S1, 2 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 5)
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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 : 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (supplement-2, 1-4); 15 (supplement-1, 1-4); 16 (supplement-1, 1-4); 17 (supplement-1, 1-4); 18 (supplement-1, 1-4); 19 (supplement-1, 1-4); 20 (supplement-1, 1-4); 21 (1-6); 22 (supplement-1, 1-4); 32 (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 4); 2 (Suppl 2, 1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1, 2, 4); 12 (1 to 4); 13 (1 to 4); 14 (Suppl 3, 1 to 4); 15 (Suppl 2, 1 to 4); 16 (Suppl 3, 1 to 4); 17 (Suppl 3, 1 to 6); 18 (Suppl 1, 1 to 4); 19 (Suppl 1, 1 to 4); 21 (1 to 6); 22 (Suppl 1, 1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (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 4); 2 (Suppl 2, 1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1, 2, 4); 12 (1 to 4); 13 (1 to 4); 14 (Suppl 3, 1 to 4); 15 (Suppl 2, 1 to 4); 16 (Suppl 3, 1 to 4); 17 (Suppl 3, 1 to 6); 18 (Suppl 1, 1 to 4); 19 (Suppl 1, 1 to 4); 21 (1 to 6); 22 (Suppl 1, 1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6)
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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 : 17 (2)
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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 : 17 (2)
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