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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); 2 (, 1, 2); 3 (, 1, 2); 4 (, 1, 2); 5 (, 1, 2); 6 (, 1, 2); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1, 2); 10 (, 1, 2); 11 (, 1, 2); 12 (, 1, 2); 13 (, 1, 2); 14 (, 1, 2); 15 (, 1, 2); 16 (, 1, 2); 17 (, 1, 2); 18 (, 1, 2); 19 (, 1, 2); 20 (, 1, 2); 21 (, 1, 2); 22 (, 1, 2); 23 (, 1, 2); 24 (, 1, 2); 25 (, 1, 2); 26 (, 1, 2); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1, 3, 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 5); 34 (, 1 to 5); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 3); 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 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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LOCKSS Archive
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Preserved
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2026-02-09
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20 to 22
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CLOCKSS Archive
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Preserved
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2026-02-09
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27
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 39
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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 40
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LOCKSS Archive
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In Progress
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2026-02-09
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40
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 8(1), 1994: 9(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2013: 28(1-4), 2014: 29(1-4), 2015: 30(1-4), 2016: 31(1-4), 2017: 32(1-4), 2018: 33(1-5), 2019: 34(1-5), 2020: 35(1-6), 2021: 36(1-6), 2022: 37(1-6), 2023: 38(1-6), 2024: 39(1-6), 2025: 40(1-6)
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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 : 2 (1, 2); 3 (1 to 4); 4 (1, 2); 12 (sup1, 1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 5); 34 (1 to 5); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6)
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Library of Congress
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Preserved
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2025-04-07
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25 (1, 2); 26 (1, 2); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 5); 34 (1 to 5); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 5)
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