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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 45 (1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 2 to 4); 50 (, 1 to 3, 5, 6); 51 (, 1 to 6); 52 (, 1 to 4, 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 5); 60 (, 1, 2, 5, 6); 61 (, 2); 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012
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Internet Archive
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Preserved
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2025-08-08
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1 to 60
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 39(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 47(1-4), 1999: 48(1-4), 2000: 49(1-4), 2001: 50(1-6), 2002: 51(1-6), 2003: 52(1-6), 2004: 53(1-6), 2005: 54(1-6), 2006: 55(1-6), 2007: 56(1-6), 2008: 57(1-6), 2009: 58(1-6), 2010: 59(1-6), 2010/2011: 60(1-6), 2011/2012: 61(1-6), 2012/2013: 62(1-6), 2013/2014: 63(1-6), 2014/2015: 64(1-6), 2015/2016: 65(1-6), 2017: 66(1-6), 2018: 67(1-6), 2019: 68(1-6), 2020: 69(1-6), 2021: 70(1-6), 2022: 71(1-6), 2023: 72(1-6), 2024: 73(1-6), 2025: 74(1-6), 2026: 75(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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57 to 64
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LOCKSS Archive
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Preserved
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2026-02-09
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59 to 73
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CLOCKSS Archive
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In Progress
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2026-02-09
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65 to 74
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LOCKSS Archive
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In Progress
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2026-02-09
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74
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 57(1-6)
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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 : ; 6 (1 to 6); 7 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1, 3 to 6); 73 (1 to 6); 74 (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 : ; 6 (1 to 6); 7 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1, 3 to 6); 73 (1 to 6); 74 (1, 2)
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British Library
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Preserved
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2019-09-18
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Preserved : 52 (6), 63 (1 to 6), 64 (1 to 3; 6), 65 (1; 3 to 6), 66 (3), 67 (4 to 5)
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