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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, 2); 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 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 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 (, 2); 25 (, 2 to 6); 26 (, 1 to 6); 27 (, 1, 3, 4); 28 (, 1 to 5); 29 (, 1 to 3, 5); 30 (, 1 to 3, 5, 6); 31 (, 1 to 3, 5, 6); 32 (, 1, 3 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 3, 6); 36 (, 1, 2); 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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1 to 13
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 2(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 3(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 4(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 5(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 6(1-4), 1996: 7(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 8(1-6), 1998: 9(1-6), 1999: 10(1-6), 2000: 11(1-6), 2001: 12(1-6), 2002: 13(1-6), 2003: 14(1-6), 2004: 15(1-6), 2005: 16(1-6), 2006/2024: 17(1-6), 2007: 18(1-6), 2008: 19(1-6), 2009: 20(1-6), 2010: 21(1-6), 2011: 22(1-6), 2011/2012: 23(1-6), 2013: 24(1-6), 2014: 25(1-6), 2015: 26(1-6), 2016: 27(1-6), 2017: 28(1-6), 2018: 29(1-6), 2019: 30(1-6), 2020: 31(1-6), 2021: 32(1-6), 2022: 33(1-6), 2023: 34(1-6), 2024: 35(1-6), 2025: 36(1-6), 2026: 37(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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16 to 19, 21 to 35
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CLOCKSS Archive
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Preserved
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2026-02-09
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19 to 26, 28
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CLOCKSS Archive
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In Progress
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2026-02-09
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27, 29 to 36
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LOCKSS Archive
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In Progress
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2026-02-09
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36
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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 6); 14 (3); 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 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1, 3, 5); 31 (1 to 6); 32 (1 to 6); 33 (1 to 3, 5, 6); 34 (1, 2, 4 to 6); 35 (1 to 6); 36 (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 6); 3 (1 to 6); 14 (3); 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 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1, 3, 5); 31 (1 to 6); 32 (1 to 6); 33 (1 to 3, 5, 6); 34 (1, 2, 4 to 6); 35 (1 to 6); 36 (1 to 5)
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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 : 3 (6)
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British Library
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Preserved
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2019-09-18
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Preserved : 25 (1 to 4; 6), 26 (1; 3 to 6), 27 (1 to 3), 28 (1 to 4), 29 (1; 3 to 5), 30 (2)
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