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Portico
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Preserved
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2026-02-12
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Preserved : 2023: 27(8), 2024: 28(6), 2025: 29(1-12), 2026: 30(1-2)
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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 (, 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 6); 15 (, 1 to 8); 16 (, 1 to 7); 17 (, 1 to 7); 18 (, 1 to 7); 19 (, 1 to 7); 20 (, 1 to 7); 21 (, 1 to 7); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 3, 5 to 12); 29 (, 1 to 9); 1997; 1998; 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; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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27 to 30
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 28
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 1(1), 1998: 2(1-4), 1999: 3(1-4), 2000: 4(1-4), 2001: 5(1-4), 2002: 6(1-4), 2003: 7(1-6), 2004: 8(1-6), 2005: 9(1-6), 2006: 10(1-6), 2007: 11(1-6), 2008: 12(1-6), 2009: 13(1-6), 2010: 14(1-6), 2011: 15(1-8), 2012: 16(1-7), 2013: 17(1-7), 2014: 18(1-7), 2015: 19(3-7), 2016: 20(1-7), 2017: 21(1-7), 2018: 22(1-12), 2019: 23(1-12), 2019/2020: 24(1-12), 2021: 25(1-12), 2022: 26(1-12), 2023: 27(1, 3-12), 2024: 28(1-11)
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LOCKSS Archive
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In Progress
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2026-02-09
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16, 23
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LOCKSS Archive
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Preserved
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2026-02-09
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17 to 22
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Library of Congress
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Preserved
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2025-04-07
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20 (1); 22 (2 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 11)
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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 7); 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 6); 15 (1 to 8); 16 (1 to 7); 17 (1 to 7); 18 (1 to 7); 19 (1 to 7); 21 (1 to 7); 22 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12)
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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 7); 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 6); 15 (1 to 8); 16 (1 to 7); 17 (1 to 7); 18 (1 to 7); 19 (1 to 7); 21 (1 to 7); 22 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12)
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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 : 10 (2); 12 (3-6); 13 (1-6); 14 (1-6); 15 (1-8); 16 (1-7); 17 (1-7); 18 (1-7); 19 (1-7); 20 (1-7); 21 (1-7); 22 (1-12); 23 (1-12)
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