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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 31 (1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 4); 48 (, 1, 2); 50 (, 3); 51 (, 3, 4, 6); 52 (, 3 to 5); 53 (, 1 to 6); 54 (, 2 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 4, 6); 59 (, 1, 3 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 4); 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 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 52
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LOCKSS Archive
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Preserved
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2026-02-09
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31 to 67
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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, just-accepted, 31 to 68
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LOCKSS Archive
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In Progress
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2026-02-09
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68
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 40(1-4), 1998: 41(1-4), 1999: 42(1-4), 2000: 43(1-4), 2001: 44(1-4), 2002: 45(1-4), 2003: 46(1-4), 2004: 47(1-4), 2005: 48(1-4), 2006: 49(1-4), 2007: 50(1-4), 2008: 51(1-6), 2009: 52(1-6), 2010: 53(1-6), 2011: 54(1-6), 2012: 55(1-6), 2013: 56(1-6), 2014: 57(1-6), 2015: 58(1-6), 2016: 59(1-6), 2017: 60(1-6), 2018: 61(1-6), 2019: 62(1-6), 2020: 63(1-6), 2021: 64(1-6), 2021/2022: 65(1-6), 2023: 66(1-6), 2024: 67(1-6), 2025: 68(1-6), 2026: 69(1)
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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 : 4 (2 to 4); 5 (1 to 4); 6 (1 to 6); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1, 2, 4 to 6); 68 (1)
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Library of Congress
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Preserved
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2025-04-07
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57 (5); 60 (3 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 5)
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