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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 4); 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); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 5); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 5); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 6); 21 (, 1 to 6); 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 8, 10 to 12); 29 (, 1 to 12); 30 (, 1 to 10); 31 (, 1 to 11); 32 (, 5, 6, 10 to 12); 33 (, 1 to 5, 7, 9, 10, 12); 34 (, 1, 2, 6, 9 to 12); 35 (, 1, 2, 4 to 9, 11, 12); 36 (, 1 to 7, 9, 11); 37 (, 8); 38 (, 2, 3); 1988; 1989; 1990; 1991; 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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Internet Archive
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Preserved
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2025-08-08
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1 to 20
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Portico
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Preserved
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2026-02-12
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Preserved : 2015: 1(1-4), 1989/2015: 2(1-4), 2015: 3(1-4), 1991/2015: 4(1-4), 2015: 5(1-4), 2015: 6(1-4), 2015: 7(1-4), 2015: 8(1-4), 2015: 9(1-4), 2015: 10(1-4), 2015: 11(1-4), 2015: 12(1-5), 2000/2015: 13(1-4), 2015: 14(1-4), 2002/2015: 15(1-5)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003/2015: 16(1-4), 2004: 17(1-4), 2004/2005: 18(1-4), 2005/2006: 19(1-4), 2007: 20(1-6), 2007/2008: 21(1-6), 2008/2009: 22(1-12), 2009/2010: 23(1-12), 2010/2011: 24(1-12), 2011/2012: 25(1-12), 2012/2013: 26(1-12), 2013/2014: 27(1-12), 2014/2015: 28(1-12), 2015/2016: 29(1-12), 2016/2017: 30(1-11), 2018: 31(1-11), 2019: 32(1-12), 2020: 33(1-12), 2021: 34(1-12), 2022: 35(1-12), 2023: 36(1-4, 6-12), 2024: 37(1-12), 2025: 38(1-12), 2026: 39(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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18 to 21, 24 to 37
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CLOCKSS Archive
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Preserved
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2026-02-09
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21 to 28
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CLOCKSS Archive
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In Progress
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2026-02-09
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29 to 38
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LOCKSS Archive
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In Progress
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2026-02-09
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38
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British Library
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Preserved
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2019-09-18
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Preserved : 9 (1; 3), 10 (2 to 4), 11 (2 to 4), 12 (2 to 3; 5), 13 (2; 4), 14 (4), 15 (3 to 4), 16 (4), 17 (2 to 3), 18 (1; 3 to 4), 19 (2 to 4), 20 (2 to 6), 21 (2 to 6), 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; 6 to 8; 10 to 12), 29 (1; 5 to 11), 30 (1 to 2; 4 to 5), 31 (1 to 3; 5 to 11)
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Scholars Portal
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Preserved
|
2025-09-02
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Preserved : 36 (6); 2022
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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); 19 (1 to 4); 21 (1 to 6); 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); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 4, 6 to 9, 11, 12); 37 (1 to 8, 11); 38 (1 to 6, 8, 9)
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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); 19 (1 to 4); 21 (1 to 6); 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); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 4, 6 to 9, 11, 12); 37 (1 to 8, 11); 38 (1 to 9)
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