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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 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 4, 5-6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 2 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 5); 42 (, 2 to 6); 43 (, 1 to 3, 5); 44 (, 1 to 3, 6); 45 (, 1 to 3, 6); 46 (, 1 to 3, 6); 47 (, 1 to 6); 48 (, 1 to 6); 50 (, 1); 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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10 to 43
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 25(6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 33(1-6), 2009: 34(1-6), 2010: 35(1-6), 2011: 36(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 39(1-2, 4-5), 2015: 40(1-2, 4-6), 2015/2016: 41(1-6), 2017: 42(2-6), 2018: 43(1-6), 2019: 44(1-6), 2020: 45(1-6), 2021: 46(1-6), 2022: 47(1-6), 2023: 48(1-6), 2024: 49(1-6), 2025: 50(1-5)
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CLOCKSS Archive
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Preserved
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2026-02-09
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33 to 40
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LOCKSS Archive
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Preserved
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2026-02-09
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33, 34, 36 to 49
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CLOCKSS Archive
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In Progress
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2026-02-09
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41 to 50
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LOCKSS Archive
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In Progress
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2026-02-09
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50
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CLOCKSS Archive
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In Progress
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2026-02-09
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LOCKSS Archive
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Preserved
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2026-02-09
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23 to 32
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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 : 4 (1 to 6); 5 (1 to 4); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 3, 4-5, 6); 46 (1 to 6); 47 (1 to 6); 48 (1, 2, 4 to 6); 49 (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 : 4 (1 to 6); 5 (1 to 4); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 3, 4-5, 6); 46 (1 to 6); 47 (1 to 6); 48 (1, 2, 4 to 6); 49 (1 to 6)
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British Library
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Preserved
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2019-09-18
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Preserved : 39 (1 to 4; 6), 40 (1 to 5), 41 (1 to 5), 42 (3 to 4; 6), 43 (3 to 5), 44 (1; 3)
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