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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 to 4); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 4, 5-6); 14 (, 1-2, 3 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 8); 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, 3 to 8); 28 (, 1 to 8); 29 (, 1 to 8); 30 (, 1 to 8); 31 (, 1 to 8); 32 (, 1, 3 to 8); 33 (, 1 to 3); 1992; 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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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 0(0), 1992: 1(1-3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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0 to 34
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 2(1-4), 1995: 3(1-4), 1996: 4(1-4), 1997: 5(1-4), 1998: 6(1), 1999: 7(2-5), 2000: 8(1-2, 4-6), 2001: 9(1-6), 2002: 10(1, 3-5), 2003: 11(1-2, 4-6), 2004: 12(1-2, 6), 2005: 13(1, 4), 2006: 14(1-3, 5-6), 2007: 15(1, 3-4, 8), 2008: 16(1-4, 6-7), 2009: 17(1, 3-4, 8), 2010: 18(2)
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LOCKSS Archive
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In Progress
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2026-02-09
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20, 27
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 20(5, 7-8), 2013: 21(1-6, 8), 2014: 22(1-8), 2015: 23(2-8), 2016: 24(1-8), 2017: 25(1-8), 2018: 26(1-8), 2019: 27(1-8), 2020: 28(1-8), 2021: 29(1-8), 2022: 30(1-8), 2023: 31(1-8), 2024: 32(1-6, 8), 2025: 33(1-8), 2026: 34(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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21 to 26
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Library of Congress
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Preserved
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2025-04-07
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26 (2 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 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 : 1 (1 to 6); 2 (1 to 8); 3 (1 to 8); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 5); 14 (1, 3 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 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); 31 (1 to 8); 32 (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 : 1 (1 to 6); 2 (1 to 8); 3 (1 to 8); 5 (1 to 4); 6 (1 to 4); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 5); 14 (1, 3 to 8); 15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 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); 31 (1 to 8); 32 (1 to 8)
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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 : 5 (1-4); 6 (1-4); 7 (1-6); 8 (1-6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-4, 5-6); 14 (1-2, 3-8); 15 (1, 2, 4-8); 16 (1-8); 17 (1-8); 18 (1-8); 19 (1-8); 20 (1-8); 21 (1-8); 22 (1-8); 23 (1-8); 24 (1-8); 25 (1-8); 26 (1-8); 27 (1-7)
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