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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, 2, 3-4); 2 (, 1, 2, 3-4); 3 (, 1, 2, 3-4); 4 (, 1 to 4); 5 (, 1-2, 3, 4); 6 (, 1-2, 3, 4); 7 (, 1 to 4); 8 (, 1-2, 3, 4); 9 (, 1-2, 3-4); 10 (, 1-2, 3, 4); 11 (, 1, 2-3, 4); 12 (, 1, 2-3, 4); 13 (, 1-2, 3, 4); 14 (, 1, 2, 3-4); 15 (, 1 to 4); 16 (, 1-2, 3-4); 17 (, 1 to 4); 18 (, 1-2, 3, 4); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1); 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2002; 2003; 2004; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 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 26
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LOCKSS Archive
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In Progress
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2026-02-09
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27
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 10, 12 to 33
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 1(1-4), 1990/1991: 2(1-4), 1991/1992: 3(1-4), 1992/1993: 4(1-4), 1993/1994: 5(1-4), 1994/1995: 6(1-4), 1996: 7(1-4), 1997/1998: 8(1-4), 1998/1999: 9(1-4), 2000/2002: 10(1-4), 2002/2003: 11(1-4), 2003/2004: 12(1-4), 2006: 13(1-4), 2007: 14(1-4), 2007/2008: 15(1-4), 2008: 16(1-4), 2009: 17(1-4), 2010: 18(1-4), 2011: 19(1), 2012: 20(1), 2013: 21(1), 2014: 22(1), 2015: 23(1), 2016: 24(1), 2017: 25(1), 2018: 26(1), 2019: 27(1), 2020: 28(1), 2021: 29(1), 2022: 30(1), 2023: 31(1), 2024: 32(1), 2025: 33(1)
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Library of Congress
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Preserved
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2025-04-07
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24 (1); 26 (1); 27 (1); 28 (1); 29 (1); 30 (1); 31 (1); 32 (1)
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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, 3, 4); 2 (1); 3; 8 (3, 4); 9 (1, 3); 11 (1, 2, 4); 12 (1, 2, 4); 13 (1, 3, 4); 14 (1 to 3); 15 (1 to 4); 16 (1, 3); 17 (1 to 4); 18 (1, 3, 4); 19 (1); 21; 22; 23; 24; 25; 26; 27; 28; 29; 31; 32
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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, 3, 4); 2 (1); 3; 8 (3, 4); 9 (1, 3); 11 (1, 2, 4); 12 (1, 2, 4); 13 (1, 3, 4); 14 (1 to 3); 15 (1 to 4); 16 (1, 3); 17 (1 to 4); 18 (1, 3, 4); 19 (1); 21; 22; 23; 24; 25; 26; 27; 28; 29; 31; 32
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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 (1-3); 8 (4); 9 (1-2, 3-4); 10 (1-2, 3, 4); 11 (1, 2-3, 4); 12 (1, 2-3, 4); 13 (1-2, 3, 4); 14 (1, 2, 3-4); 15 (1-4); 16 (1-2, 3-4); 17 (1-3); 18 (1-2, 3, 4); 19 (1); 20; 21; 22; 23; 24; 25; 26
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