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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 17 (1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 7); 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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17 to 43
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 17(1-6), 2001: 18(1-6), 2002: 19(1-6), 2003: 20(1-6), 2004: 21(1-6), 2005: 22(1-6), 2006: 23(1-6), 2007: 24(1-6), 2008: 25(1-12), 2009: 26(1-12), 2010: 27(1-12), 2011: 28(1-5, S 5, 6-12), 2012: 29(1-12), 2013: 30(1-12), 2014: 31(1-12), 2015: 32(1-12), 2016: 33(1-12), 2017: 34(1-12), 2018: 35(1-12), 2019: 36(1, S 1, 2, S 2, 3, S 3, 4-12), 2019/2020: 37(1, S 1, 2, S 2, 3-12), 2021: 38(1, S 1, 2, S 2, 3-12), 2022: 39(1, S 1, 2-12), 2023: 40(1-12), 2024: 41(1-12), 2025: 42(1-12), 2026: 43(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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29, 36
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LOCKSS Archive
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Preserved
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2026-02-09
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30 to 35
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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 6); 3 (1 to 9, 11, 12); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 41 (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 : 2 (1 to 6); 3 (1 to 9, 11, 12); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 41 (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 : 24 (6); 25 (1-12); 26 (supplement-1, 1-11); 27 (1-12); 28 (supplement-1, 1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (supplement-1, 1-12); 33 (1-12); 34 (1-12); 35 (1-12); 36 (supplement-1, 1-12); 118 (4)
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