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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 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6, 8, 10); 9 (, 1 to 6, 8, 9); 10 (, 1 to 6); 11 (, 1 to 13, 16 to 18); 12 (, 1 to 13, 15); 13 (, 1 to 14); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12, 14, 15); 18 (, 1 to 14); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1, 2, 6 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 7); 1990; 1991; 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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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 29
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 37
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 4(5)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 6(S 1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 7(1-3, S 3, 4-6), 1998: 8(1-6), 1999: 9(1-6), 1999: 10(1-6), 2000: 11(1-12), 2001: 12(1-12), 2002: 13(1-12), 2003: 14(1-12), 2004: 15(1, S 1, 2-12), 2005: 16(1-12), 2006: 17(1, S 1, 2-12), 2007: 18(1-12), 2008: 19(1-12), 2009: 20(1, S 1, 2-4, S 4, 5-12), 2010: 21(1-5, S 5, 6-12), 2011: 22(1-12), 2012: 23(1-6, S 6, 7, S 7, 8-9, 11-12), 2013: 24(1, S 1, 2-4, S 4, 5-8, 10-12), 2014: 25(1-2, S 2, 3-5, S 5, 6-12), 2015: 26(1, S 1, 2-12), 2016: 27(1, S 1, 2-12), 2017: 28(1, S 1, 2-12), 2018: 29(1, S 1, 2-12), 2019: 30(1-2, S 2, 3-12), 2019/2020: 31(1, S 1, 2-12), 2021: 32(1, S 1, 2-12), 2022: 33(1, S 1, 2-12), 2023: 34(1-12), 2024: 35(1-11), 2025: 36(1-2, 4-12), 2026: 37(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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30
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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 to 6); 2 (Suppl 3, 1 to 9, 11, 12); 3 (Suppl 1, 1 to 9, 11, 12); 7 (Suppl 3, 1 to 6); 8 (Suppl 3, 1 to 6); 9 (Suppl 3, 1 to 6); 11 (Suppl 6, 1 to 9, 11, 12); 12 (Suppl 3, 1 to 9, 11, 12); 13 (Suppl 3, 1 to 9, 11, 12); 14 (Suppl 3, 1 to 9, 11, 12); 15 (Suppl 2, 1 to 9, 11, 12); 16 (Suppl 3, 1 to 9, 11, 12); 17 (Suppl 3, 1 to 9, 11, 12); 18 (Suppl 3, 1 to 9, 11, 12); 19 (Suppl 2, 1 to 9, 11, 12); 21 (Suppl 3, 1 to 9, 11, 12); 22 (Suppl 3, 1 to 9, 11, 12); 23 (Suppl 3, 1 to 9, 11, 12); 24 (Suppl 3, 1 to 9, 11, 12); 25 (Suppl 3, 1 to 9, 11, 12); 26 (Suppl 2, 1 to 9, 11, 12); 27 (Suppl 3, 1 to 9, 11, 12); 28 (Suppl 1, 1 to 9, 11, 12); 29 (Suppl 1, 1 to 9, 11, 12); 31 (Suppl 1, 1 to 9, 11, 12); 32 (Suppl 1, 1 to 9, 11, 12); 33 (Suppl 1, 1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12)
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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 to 6); 2 (Suppl 3, 1 to 9, 11, 12); 3 (Suppl 1, 1 to 9, 11, 12); 7 (Suppl 3, 1 to 6); 8 (Suppl 3, 1 to 6); 9 (Suppl 3, 1 to 6); 11 (Suppl 6, 1 to 9, 11, 12); 12 (Suppl 3, 1 to 9, 11, 12); 13 (Suppl 3, 1 to 9, 11, 12); 14 (Suppl 3, 1 to 9, 11, 12); 15 (Suppl 2, 1 to 9, 11, 12); 16 (Suppl 3, 1 to 9, 11, 12); 17 (Suppl 3, 1 to 9, 11, 12); 18 (Suppl 3, 1 to 9, 11, 12); 19 (Suppl 2, 1 to 9, 11, 12); 21 (Suppl 3, 1 to 9, 11, 12); 22 (Suppl 3, 1 to 9, 11, 12); 23 (Suppl 3, 1 to 9, 11, 12); 24 (Suppl 3, 1 to 9, 11, 12); 25 (Suppl 3, 1 to 9, 11, 12); 26 (Suppl 2, 1 to 9, 11, 12); 27 (Suppl 3, 1 to 9, 11, 12); 28 (Suppl 1, 1 to 9, 11, 12); 29 (Suppl 1, 1 to 9, 11, 12); 31 (Suppl 1, 1 to 9, 11, 12); 32 (Suppl 1, 1 to 9, 11, 12); 33 (Suppl 1, 1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (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 : 7 (5); 8 (supplement-2, 1-6); 9 (1-6); 10 (1-6); 11 (1-12); 12 (1-12); 13 (supplement-3, 1-12); 14 (supplement-3, 1-12); 15 (1-12); 16 (01, 02, 3-12); 17 (1-12, 14, 15); 18 (supplement-1, 1-5, 7-12); 19 (1-12); 20 (supplement-3, 1-12); 21 (supplement-1, 1-12); 22 (supplement-1, 1-12); 23 (supplement-2, 1-12); 24 (supplement-1, 1-9, 11, 12); 25 (supplement-1, 1-12); 26 (supplement-1, 1-12); 27 (supplement-1, 1-12); 28 (supplement-1, 1-12); 29 (supplement-1, 1-12); 30 (supplement-1, 1-11)
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