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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); 2 (, 1, 2-3); 3 (, 1, 2-3); 4 (, 1, 2-3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 4, 5-6); 15 (, 1, 2-3, 4-5, 6); 16 (, 1, 2-3, 4-5, 6); 17 (, 1 to 4, 5-6); 18 (, 1-2, 3 to 6); 19 (, 1 to 4, 5-6); 20 (, 1 to 5, 6-7, 8); 21 (, 1 to 6, 7-8); 22 (, 1 to 5, 7, 8); 23 (, 1 to 8); 24 (, 1 to 8); 25 (, 1 to 8); 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
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 25
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 25
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 11(5)
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Portico
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Preserved
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2026-02-12
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Preserved : 2013: 16(1-6), 2014: 17(1-6), 2015: 18(1-6), 2016: 19(1-6), 2017: 20(1-8), 2018: 21(1-8), 2019: 22(1-8), 2020: 23(1-8), 2021: 24(1-8), 2022: 25(1-8)
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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 3 to 6); 2 (1 to 3 to 5, 6-7, 8); 3 (1, 2-3); 4 (1, 2-3); 5 (1 to 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 4, 5-6); 15 (1, 2-3, 4-5, 6); 16 (1, 2-3, 4-5, 6); 17 (1 to 4, 5-6); 18 (1-2, 3 to 6); 19 (1 to 4, 5-6); 21 (1 to 6, 7-8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8)
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Library of Congress
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Preserved
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2025-04-07
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20 (2 to 6-7, 8); 21 (1 to 7-8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8)
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