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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 12 (1 to 4); 13 (, 1 to 4); 14 (, 1, 2, 3-4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1, 3 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 8); 22 (, 1 to 8); 23 (, 1 to 8); 24 (, 1 to 8); 25 (, 1 to 8); 26 (, 1 to 8); 27 (, 1 to 8); 28 (, 1 to 8); 29 (, 1 to 8); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016
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CLOCKSS Archive
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Preserved
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2026-02-09
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12 to 29
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 12(1-4), 2000: 13(1-4), 2001: 14(1-2), 2002: 15(1-4), 2003: 16(1-4), 2004: 17(1-4), 2005: 18(1-6), 2006: 19(1-6), 2007: 20(1-6), 2008: 21(1-8), 2009: 22(1-8), 2010: 23(1-8), 2011: 24(1-8), 2012: 25(1, S1, 2-8), 2013: 26(1-8), 2014: 27(1, S1, 2-8), 2015: 28(1-8), 2016: 29(1, S1, 2-8)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 5(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 9(1-2, 4), 1997: 10(1-2, 4), 1998: 11(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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21 to 37
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CLOCKSS Archive
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In Progress
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2026-02-09
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21 to 29, 31 to 38
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Portico
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Preserved
|
2026-02-12
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Preserved : 2014: 27(1-8), 2015/2016: 28(1-8), 2016: 29(1-8), 2017: 30(1-12), 2018: 31(1-12), 2019: 32(1-12), 2020: 33(1-12), 2021: 34(1-12), 2022: 35(1-12), 2023: 36(1-12), 2024: 37(1-12), 2025: 38(1-6), 2026: 39(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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30
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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 6); 12 (1 to 4); 13 (1 to 4); 14 (1, 2, 3?4); 15 (1 to 4); 16 (1 to 4); 17 (, 1 to 4); 18 (1 to 6); 19 (1 to 6); 21 (1 to 8); 22 (1 to 8); 23 (, 1 to 8); 24 (1 to 8); 25 (, 1 to 8); 26 (1 to 8); 27 (, 1 to 8); 28 (1 to 8); 29 (S1, 1 to 8)
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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); 12 (1 to 4); 13 (1 to 4); 14 (1, 2, 3?4); 15 (1 to 4); 16 (1 to 4); 17 (, 1 to 4); 18 (1 to 6); 19 (1 to 6); 21 (1 to 8); 22 (1 to 8); 23 (, 1 to 8); 24 (1 to 8); 25 (, 1 to 8); 26 (1 to 8); 27 (, 1 to 8); 28 (1 to 8); 29 (S1, 1 to 8)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : ; 3 (1 to 9, 11, 12); 31 (Supplement_1, 1 to 9, 11 to 13); 32 (Supplement_1, 1 to 9, 11, 12); 33 (Supplement_1, 1 to 9, 11, 12); 34 (Supplement_1, 1, 3 to 9, 11, 12); 35 (Supplement_1, 1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : ; 3 (1 to 9, 11, 12); 31 (Supplement_1, 1 to 9, 11 to 13); 32 (Supplement_1, 1 to 9, 11, 12); 33 (Supplement_1, 1 to 9, 11, 12); 34 (Supplement_1, 1, 3 to 9, 11, 12); 35 (Supplement_1, 1 to 9, 11, 12)
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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 : 19 (1-6); 20 (1-6)
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British Library
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Preserved
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2019-09-18
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Preserved : 11 (1), 30 (4 to 6; 8 to 10), 31 (2; 4; 10 to 12), 32 (6)
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