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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 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 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 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1, 2-3); 32 (, 1, 2-3); 33 (, 1 to 3); 34 (, 1, 2); 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 22
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 1(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 5(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 7(1), 1998: 8(1), 1999: 9(1), 2000: 10(1), 2001: 11(1), 2002: 12(1-2), 2003: 13(1-2), 2004: 14(1-2), 2005: 15(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 17(1-2), 2008: 18(1-2), 2009: 19(1-2), 2010: 20(1-2), 2011: 21(1-2), 2012: 22(1-2), 2013: 23(1-2), 2014: 24(1-2), 2015: 25(1-3)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 34
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 34
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LOCKSS Archive
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In Progress
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2026-02-09
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35
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 2(1), 1993: 3(1), 1994: 4(1), 1995: 5(1), 1996: 6(1), 1997: 7(1), 1998: 8(1), 1999: 9(1), 2000: 10(1), 2001: 11(1), 2002: 12(1-2), 2003: 13(1-2), 2004: 14(1-2), 2005: 15(1-2), 2006: 16(1-2), 2007: 17(1-2), 2008: 18(1-2), 2009: 19(1-2), 2010: 20(1-2), 2011: 21(1-2), 2012: 22(1-2), 2013: 23(1-2), 2014: 24(1-2), 2015: 25(1-3), 2016: 26(1-3), 2017: 27(1-3), 2018: 28(1-3), 2019: 29(1-3), 2020: 30(1-3), 2021: 31(1-3), 2022: 32(1-3), 2023: 33(1-3), 2024: 34(1-3), 2025: 35(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 : 27 (1, 2); 28 (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 : 27 (1, 2)
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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); 26 (3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 30 (1 to 3); 31 (1, 2-3); 32 (1, 2-3); 33 (1 to 3); 34 (1)
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