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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 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 3); 13 (, 1 to 5); 14 (, 1 to 5); 15 (, 1, 5); 16 (, 1 to 5); 17 (, 1 to 5); 18 (, 1 to 5); 19 (, 1 to 5); 20 (, 1 to 4); 21 (, 1 to 3, 4-5); 22 (, 1 to 3, 4-5); 23 (, 1 to 5); 24 (, 1 to 5); 25 (, 1, 2-3, 4-5); 26 (, 1, 2, 3-5); 27 (, 1-2, 3-4, 5); 28 (, 1 to 3); 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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Internet Archive
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Preserved
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2025-08-08
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1 to 17
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 9(2-4), 2006/2007: 10(1-3)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 27
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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 28
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LOCKSS Archive
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In Progress
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2026-02-09
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28
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Portico
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Preserved
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2026-02-12
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Preserved : 2006/2007: 10(1-4), 2008: 11(1-4), 2009: 12(1-4), 2010: 13(1-5), 2011: 14(1-5), 2012: 15(1-5), 2013: 16(1-5), 2014: 17(1-5), 2015: 18(1-5), 2016: 19(1-5), 2017: 20(1-5), 2018: 21(1-5), 2019: 22(1-5), 2020: 23(1-5), 2021: 24(1-5), 2022: 25(1-5), 2023: 26(1-5), 2024: 27(1-5), 2025: 28(1-4)
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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 5); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 5); 14 (1 to 5); 15 (1 to 5); 16 (1 to 5); 17 (1 to 5); 18 (1 to 5); 19 (1 to 5); 21 (1 to 3, 4-5); 22 (1 to 3, 4-5); 23 (1 to 5); 24 (1 to 5); 25 (1, 2-3, 4-5); 26 (1, 2, 3-5); 27 (1-2, 3-4, 5); 28 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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20 (1 to 5); 21 (1 to 4-5); 22 (1 to 4-5); 23 (1 to 5); 24 (1 to 5); 25 (1, 2-3, 4-5); 26 (1 to 3-5); 27 (1-2)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1, 2, 4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4)
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