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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1 to 3); 18 (, 1 to 3); 19 (, 1 to 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1, 2-3, 4-5, 6); 34 (, 1, 2-3, 4-5, 6); 35 (, 1 to 4, 5-6); 36 (, 1-2, 3 to 6); 37 (, 1 to 6); 38 (, 1, 2, 3-4, 5 to 7); 39 (, 1 to 8); 40 (, 1 to 8); 41 (, 1 to 8); 42 (, 1 to 8); 43 (, 1 to 8); 1980; 1981; 1982; 1983; 1984; 1985; 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
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 43
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 43
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 32(1-6), 2012: 33(1-6), 2013: 34(1-6), 2014: 35(1-6), 2015: 36(1-6), 2016: 37(1-6), 2017: 38(1-8), 2018: 39(1-8), 2019: 40(1-8), 2020: 41(1-8), 2021: 42(1-8), 2022: 43(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 : 2 (2, 3); 3 (1 to 6); 4 (1 to 8); 18 (1 to 3); 19 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1, 2-3, 4-5, 6); 34 (1, 2-3, 4-5, 6); 35 (1 to 4, 5-6); 36 (1-2, 3 to 6); 37 (1 to 6); 38 (1, 2, 3-4, 5 to 8); 39 (1 to 8); 41 (1 to 8); 42 (1 to 8); 43 (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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38 (2, 3-4, 5 to 8); 39 (1 to 8); 40 (1 to 3, 5 to 8); 41 (1 to 8); 42 (1 to 8); 43 (1 to 8)
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