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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, 2/3, 4, 5/6); 5 (, 1, 2, 3-4, 5, 6); 6 (, 1 to 4, 5-6); 7 (, 1 to 6); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 5); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 7); 18 (, 1 to 7); 19 (, 1 to 7); 20 (, 1 to 7); 21 (, 1 to 7); 22 (, 2 to 7); 23 (, 1 to 7); 24 (, 1 to 7); 25 (, 1 to 7); 26 (, 1 to 7); 27 (, 1 to 7); 28 (, 1 to 7); 29 (, 1 to 5); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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14 to 19
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LOCKSS Archive
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Preserved
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2026-02-09
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16
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 10(1-4), 2007: 11(1-4), 2008: 12(1-4), 2009: 13(1-4), 2010: 14(1-5), 2011: 15(1, S 1, 2, S 2, 3-6), 2012: 16(1-6), 2013: 17(1, S 1, 2, S 2, 3-7), 2014: 18(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6, S 6, 7), 2015: 19(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, S 6, S 7, S 8, S 9, S 10)
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LOCKSS Archive
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In Progress
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2026-02-09
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 28
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 30
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LOCKSS Archive
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In Progress
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2026-02-09
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29
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Portico
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Preserved
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2026-02-12
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Preserved : 1997/1998: 1(1-4), 1998/1999: 2(1-6), 1999/2000: 3(1-6), 2000/2001: 4(1-6), 2001/2002: 5(1-6), 2002: 6(1-6), 2003: 7(1-6), 2004: 8(1-4), 2005: 9(1-4), 2006: 10(1-4), 2007: 11(1-4), 2008: 12(1-4), 2009: 13(1-4), 2010: 14(1-5), 2011: 15(1-6), 2012: 16(1-6), 2013: 17(1-7), 2014: 18(1-7), 2015: 19(1-7), 2016: 20(1-7), 2017: 21(1-7), 2018: 22(1-7), 2019: 23(1-7), 2020: 24(1-7), 2021: 25(1-7), 2022: 26(1-7), 2023: 27(1-7), 2024: 28(1-7), 2025: 29(1-7), 2026: 30(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 : ; 1 (1 to 4); 2 (1 to 7); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 5); 15 (sup1, 1 to 6); 16 (1 to 6); 17 (, 1 to 7); 18 (S1, 1 to 7); 19 (sup1, 1 to 7); 21 (1 to 7); 22 (1 to 7); 23 (1 to 7); 24 (1 to 7); 25 (1 to 7); 26 (1 to 7)
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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 : 1 (2-4); 2 (1-6); 3 (1-6); 4 (1, 2-3, 4, 5-6); 5 (1, 2, 3-4, 5, 6); 6 (1-4, 5-6); 7 (1-6)
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Library of Congress
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Preserved
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2025-04-07
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21 (4 to 7); 22 (1 to 7); 23 (1 to 4, 6, 7); 24 (1 to 7); 25 (1 to 7); 26 (1 to 7); 27 (1 to 7); 28 (1 to 7)
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