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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, 4); 2 (, 1 to 3); 3 (, 1-2, 3); 4 (, 1 to 3); 5 (, 1-2, 3); 6 (, 1 to 3); 7 (, 1-2, 3); 8 (, 1 to 3); 9 (, 1/2, 3); 10 (, 1, 2); 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, 2-3); 26 (, 1 to 3); 27 (, 1-2, 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1-3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1, 2-3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1-2, 3); 49 (, 1-2, 3); 50 (, 1, 2-3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1-3); 57 (, 1 to 3); 58 (, 1-2, 3); 59 (, 1-3); 60 (, 1 to 3); 61 (, 1); 62 (, 1-3); 63 (, 1-3); 64 (, 1); 65 (, 1); 66 (, 1); 125 (, 1); 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; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 68, 125
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 10(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 30(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 33(1-3), 2009: 34(1-3), 2009: 35(1-3), 2010: 36(1-3), 2010: 37(1-3), 2011: 38(1-3), 2011: 39(1-3), 2012: 40(2-3), 2012: 41(1, 3), 2013: 42(1-3), 2013: 43(1-3), 2014: 44(1-3), 2014: 45(1-3), 2015: 46(2-3), 2015: 47(1-3), 2016: 48(1-3), 2016: 49(1-3), 2017: 50(1-3), 2017: 51(1-3), 2018: 52(1-3), 2018: 53(1-3), 2019: 54(1-3), 2019/2020: 55(1-3), 2020: 56(1-3), 2021: 57(1-3), 2021: 58(1-3), 2022: 60(1-3), 2022: 61(1-3), 2024: 62(1-3), 2024: 63(1-3), 2025: 65(1), 2025: 66(1-3), 2025: 67(1-3), 2026: 68(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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40, 41, 54, 55
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LOCKSS Archive
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Preserved
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2026-02-09
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42 to 53
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Library of Congress
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Preserved
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2025-04-07
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51 (2, 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1-3); 57 (1 to 3); 58 (1-2, 3); 59 (1-3); 60 (1 to 3); 61 (1, 2-3); 62 (1-3); 63 (1-3)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1, 2); 2 (1 to 3); 3 (1 to 3); 4 (1 to 3); 5 (1, 2); 6 (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); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1, 2); 26 (1 to 3); 27 (1, 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1); 34 (2, 3); 35 (1 to 3); 36 (1 to 3); 37 (1, 2); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1, 3); 49 (1, 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1-3); 57 (2, 3); 58 (1-2, 3); 59 (1-3); 61; 62; 63
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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, 2); 2 (1 to 3); 3 (1 to 3); 4 (1 to 3); 5 (1, 2); 6 (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); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1, 2); 26 (1 to 3); 27 (1, 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1); 34 (2, 3); 35 (1 to 3); 36 (1 to 3); 37 (1, 2); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1, 3); 49 (1, 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1-3); 57 (2, 3); 58 (1-2, 3); 59 (1-3); 61; 62; 63
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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 : 10 (1, 2); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-3); 25 (1, 2); 26 (1-3); 27 (1-2, 3); 28 (1-3); 29; 30 (1-3); 31 (1, 3); 32 (1, 3); 33 (1-3); 34 (2, 3); 35 (1, 3); 36 (1-3); 37 (1, 2-3); 38 (1-3); 39 (1-3); 40 (1-3); 41 (1-3); 42 (1-3); 43 (1-3); 44 (1-3); 45 (1-3); 46 (2, 3); 47 (1-3); 48; 49 (1-2, 3); 50 (1, 2-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3)
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