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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 3); 12 (, 1, 2); 13 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1 to 3); 18 (, 1 to 3); 19 (, 1 to 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1, 2, 4); 30 (, 1 to 4); 31 (, 1 to 3); 32 (, 1, 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 2); 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1999; 2000; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023
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Portico
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Preserved
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2026-02-12
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Preserved : 1988: 1(1-3), 1989: 2(1-3), 1990: 3(1-3), 1991: 4(1-3), 1992: 5(1-3), 1993: 6(1, 3), 1994: 7(1-3), 1995: 8(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 10(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 15(1-3), 2003: 16(1-3), 2004: 17(1-3), 2005: 18(1-3), 2006: 19(1-3), 2007: 20(1-3), 2008: 21(1-3), 2009: 22(1-3), 2010: 23(1-3), 2010/2011: 24(1-3), 2011/2012: 25(1-4), 2012/2013: 26(1-4), 2013/2014: 27(1-4), 2014/2015: 28(1-4), 2015/2016: 29(1-4), 2017: 30(1-4), 2018: 31(1-4), 2019: 32(1-4), 2020: 33(1-4), 2021: 34(1-4), 2022: 35(1-4), 2023: 36(1-4), 2024: 37(1-4), 2025: 38(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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18, 19, 21 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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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 3); 3 (1 to 4); 19 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 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 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (2, 4); 38 (1, 2)
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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 3); 3 (1 to 4); 19 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 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 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (2, 4); 38 (1, 2)
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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 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3)
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British Library
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Preserved
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2019-09-18
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Preserved : 27 (1 to 2; 4), 28 (1 to 3), 29 (1 to 4), 30 (1 to 3), 31 (1 to 3)
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