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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 (, 1-2, 3 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1-2, 3 to 6); 10 (, 1-2, 3 to 6); 11 (, 1 to 6); 12 (, 1 to 4, 5-6, 7, 8); 13 (, 1-2, 3, 4-5, 6, 7-8); 14 (, 1, 2, 3-5, 6, 7-8); 15 (, 1, 2-4, 5, 6, 7-8); 16 (, 1, 2, 3-5, 6, 7-8, 9-10); 17 (, 1, 2-3, 4 to 7, 8-9, 10); 18 (, 1, 2, 3-4, 5, 6-7, 8 to 10); 19 (, 1 to 3, 4-5, 6-8, 9, 10); 20 (, 1, 2, 3-4, 5-6, 7-8, 9, 10); 21 (, 1 to 10); 22 (, 1 to 10); 23 (, 1 to 10); 24 (, 1-2, 3, 4, 5-6, 7, 9-10); 25 (, 1-2, 3-4, 5-6, 7-8, 9-10); 26 (, 1-2, 3-4, 5, 6, 7-9, 10); 27 (, 1-2, 3-4, 5-6, 7-8, 9-10); 28 (, 1-2, 3, 6-7, 8, 9-10); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 3); 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; 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 21
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 34
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 6(1-6), 1998: 7(1-6), 1999: 8(1-6), 2000: 9(1-6), 2001: 10(1-6), 2002: 11(1-6), 2003: 12(1-8), 2004: 13(1-8), 2005: 14(1-8), 2006: 15(1-8), 2007: 16(1-10), 2008: 17(1-10), 2009: 18(1-10), 2010: 19(1-10), 2011: 20(1-10), 2012: 21(1-10), 2013: 22(1-9), 2014: 23(1-10), 2015: 24(3-10), 2016: 25(1-10), 2017: 26(1-10), 2018: 27(1-10), 2019: 28(1-10), 2020: 29(1-6), 2021: 30(1-6), 2022: 31(1-6), 2023: 32(1-6), 2024: 33(1-6), 2025: 34(1-6)
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LOCKSS Archive
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In Progress
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2026-02-09
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21, 28
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LOCKSS Archive
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Preserved
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2026-02-09
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22 to 27
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Library of Congress
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Preserved
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2025-04-07
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27 (1-2, 3-4, 5-6, 7-8, 9-10); 28 (1-2, 3-5, 6-7, 8, 9-10); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 5)
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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 : 1 (1, 3 to 6); 2 (1 to 3, 5, 7, 9); 3 (1 to 6); 6 (1, 3 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1, 3 to 6); 11 (1 to 6); 12 (1 to 5, 7, 8); 13 (1, 3, 4, 6, 7); 14 (1 to 3, 6, 7); 15 (1, 2, 5 to 7); 16 (1 to 3, 7, 9); 17 (1, 2, 4 to 8); 18 (1 to 3, 5, 6, 8, 9); 19 (1 to 4, 6, 9); 21 (1 to 9); 22 (1 to 9); 23 (1 to 9); 24 (1, 3 to 5, 7, 9); 25 (1, 3, 5, 7); 26 (1, 3, 5 to 7); 27 (1-2, 3-4, 5-6, 7-8, 9-1); 28 (1-2, 3-5, 6-7, 8, 9-1); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6)
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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 : 1 (1, 3 to 6); 2 (1 to 3, 5, 7, 9); 3 (1 to 6); 6 (1, 3 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1, 3 to 6); 11 (1 to 6); 12 (1 to 5, 7, 8); 13 (1, 3, 4, 6, 7); 14 (1 to 3, 6, 7); 15 (1, 2, 5 to 7); 16 (1 to 3, 7, 9); 17 (1, 2, 4 to 8); 18 (1 to 3, 5, 6, 8, 9); 19 (1 to 4, 6, 9); 21 (1 to 9); 22 (1 to 9); 23 (1 to 9); 24 (1, 3 to 5, 7, 9); 25 (1, 3, 5, 7); 26 (1, 3, 5 to 7); 27 (1-2, 3-4, 5-6, 7-8, 9-1); 28 (1-2, 3-5, 6-7, 8, 9-1); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6)
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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 : 6 (1, 3-6); 7 (1-6); 8 (1-6); 9 (1, 3-6); 10 (1, 3-6); 11 (1-6); 12 (1-5, 7, 8); 13 (3, 4, 6, 7-8); 14 (1, 2, 3-5, 6, 7-8); 15 (1, 2-4, 5, 6, 7-8); 16 (1, 2, 3-5, 6, 7-8, 9-10); 17 (1, 2-3, 4-7, 8-9, 10); 18 (1, 2, 3-4, 5, 6-7, 8-10); 19 (1-3, 4-5, 6-8, 9, 10); 20 (1, 2, 5-6, 7-8, 9, 10); 21 (1-10); 22 (1-10); 23 (1-10); 24 (1-2, 3, 4, 5-6, 7-8, 9-10); 25 (1-2, 3-4, 5-6, 7-8, 9-10); 26 (1-2, 3-4, 5, 6, 7-9, 10); 27 (1-2, 3-4, 5-6, 7-8, 9-10); 28 (1-2, 3-5, 6-7, 8); 56; 533 (C)
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