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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 11 (1 to 6); 12 (, 1 to 6); 13 (, 1/2, 3 to 6); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 28 (, 4); 30 (, 2); 33; 34 (6); 36 (, 3, 4); 37 (, 4, 6); 38 (, 3); 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2015; 2017; 2020; 2021; 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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11 to 38
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 11(1-6), 1999: 12(1-6), 2000: 13(1-6), 2001: 14(1-4), 2002: 15(1-4), 2003: 16(1-4), 2004: 17(1-4), 2005: 18(1-4), 2006: 19(1-4), 2007: 20(1-4), 2008: 21(1-4), 2009: 22(1-4), 2010: 23(1-4), 2011: 24(1-4), 2012: 25(1-4), 2013: 26(1-4), 2014: 27(1-4), 2015: 28(2-4), 2016: 29(1-4), 2017: 30(1-4), 2018: 31(1-4), 2019: 32(1-6), 2020: 33(1, S 1, 2-6), 2021: 34(1-6), 2022: 35(1-6), 2023: 36(1, S 1, 2-6), 2024: 37(1-5), 2025: 38(1-6), 2026: 39(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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25, 32
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LOCKSS Archive
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Preserved
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2026-02-09
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26 to 31
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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 : 11 (1-6); 12 (1-6); 13 (1-2, 3-6); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1, 3, 4); 21 (1-4); 22 (1-3); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (C, 1-4); 32 (1-5)
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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 : 2 (1 to 4); 3 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1, 3 to 6); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 6); 33 (Suppl 1, 1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (Suppl 1, 1 to 6); 37 (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 : 2 (1 to 4); 3 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1, 3 to 6); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 6); 33 (Suppl 1, 1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (Suppl 1, 1 to 6); 37 (1 to 6)
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