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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 5); 17 (, 1 to 5); 18 (, 1 to 5); 19 (, 1 to 5); 20 (, 1 to 5); 21 (, 1 to 5); 22 (, 1 to 5); 23 (, 1 to 5); 24 (, 1 to 5); 25 (, 1 to 3, 5); 26 (, 1 to 5); 27 (, 1 to 4); 28 (, 2, 4 to 6); 29 (, 1, 2, 5); 30 (, 1, 4, 5); 31 (, 1 to 5); 32 (, 1 to 4); 33 (, 1); 34 (, 1); 1992; 1993; 1994; 1995; 1996; 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
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 1(1-3), 1993: 2(1-3), 1994: 3(1-3), 1995: 4(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 7(s_1, s_2), 1999: 8(s_1), 2000: 9(s_1), 2001: 10(1-4), 2002: 11(1-4), 2003: 12(1-4), 2004: 13(1-4), 2005: 14(1-4), 2006: 15(1-4), 2007: 16(1-5), 2007/2008: 17(1-5), 2008/2009: 18(1-5), 2010: 19(1-5), 2010/2011: 20(1-5), 2011/2012: 21(1-5), 2012/2013: 22(1-5), 2014: 23(1-5), 2014/2015: 24(1-5), 2015/2016: 25(1-5), 2016/2017: 26(1-5), 2018: 27(1-5), 2019: 28(1-5), 2020: 29(1-5), 2021: 30(1-6), 2022: 31(1-5), 2023: 32(1-5), 2024: 33(1-5), 2025: 34(1-5)
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LOCKSS Archive
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Preserved
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2026-02-09
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14 to 33
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CLOCKSS Archive
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Preserved
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2026-02-09
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17 to 24
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CLOCKSS Archive
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In Progress
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2026-02-09
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25 to 34
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LOCKSS Archive
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In Progress
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2026-02-09
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34
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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 5); 3 (Supplement_1, 1 to 5); 13 (3); 15 (suppl_1, 1 to 4); 16 (suppl_1, 1 to 5); 17 (suppl_1, 1 to 5); 18 (suppl_1, 1 to 5); 19 (suppl_1, 1 to 5); 21 (suppl_1, 1 to 5); 22 (suppl_1, 1 to 5); 23 (suppl_1, 1 to 5); 24 (suppl_1, 1 to 5); 25 (suppl_1, 1 to 5); 26 (suppl_1, 1 to 5); 27 (suppl_1, 1 to 5); 28 (Supplement_1, 1 to 6); 29 (1 to 5); 31 (Supplement_1, 1 to 5); 32 (Supplement_1, 1, 4, 5); 33 (Supplement_2, 1 to 5); 34 (1 to 4)
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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 5); 3 (Supplement_1, 1 to 5); 13 (3); 15 (suppl_1, 1 to 4); 16 (suppl_1, 1 to 5); 17 (suppl_1, 1 to 5); 18 (suppl_1, 1 to 5); 19 (suppl_1, 1 to 5); 21 (suppl_2, 1 to 5); 22 (suppl_1, 1 to 5); 23 (suppl_1, 1 to 5); 24 (suppl_1, 1 to 5); 25 (suppl_1, 1 to 5); 26 (suppl_1, 1 to 5); 27 (suppl_1, 1 to 5); 28 (Supplement_1, 1 to 6); 29 (1 to 5); 31 (Supplement_1, 1 to 5); 32 (Supplement_1, 1, 4, 5); 33 (Supplement_2, 1 to 5); 34 (1 to 4)
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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, 3); 2 (2); 3 (3); 4
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British Library
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Preserved
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2019-09-18
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Preserved : 21 (2), 23 (1 to 5; S2), 24 (1 to 5; S1 to S2), 25 (1 to 5; S1 to S2), 26 (1 to 2; 4; S1), 27 (2 to 4; S1)
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