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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 4); 2 (, 1, 2, 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 4); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 2 to 6); 25 (, 1 to 5, 7); 26 (, 1 to 7); 27 (, 1 to 7); 28 (, 1 to 8); 29 (, 1 to 8); 30 (, 1 to 8); 31 (, 1 to 8); 32 (, 1 to 8); 33 (, 1 to 8); 34 (, 1 to 8); 35 (, 1 to 5); 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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Internet Archive
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Preserved
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2025-08-08
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4 to 24
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 17, 26 to 35
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 13, 19, 35
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 1(1-4), 1992: 2(1-4), 1993: 3(1-4), 1994: 4(1-4), 1995: 5(1-4), 1996: 6(1-4), 1997: 7(1-4), 1998: 8(1-6), 1999: 9(1-6), 2000: 10(1-6), 2001: 11(1-6), 2002: 12(1-6), 2003: 13(1-6), 2004: 14(1-6), 2005: 15(1-6), 2006: 16(1-6), 2007: 17(1-6), 2008: 18(1-6), 2009: 19(1-6), 2010: 20(1-6), 2011: 21(1-6), 2012: 22(1-6), 2013: 23(1-6), 2014: 24(1-6), 2015: 25(1-7), 2016: 26(1-7), 2017: 27(1-7), 2018: 28(1-8), 2019: 29(1-8), 2020: 30(1-8), 2021: 31(1-2, 4-8), 2022: 32(1-8), 2023: 33(1-8), 2024: 34(1-8), 2025: 35(1-8), 2026: 36(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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14 to 18, 20 to 34
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CLOCKSS Archive
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Preserved
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2026-02-09
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18 to 25
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Library of Congress
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Preserved
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2025-04-07
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20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 7); 26 (1 to 7); 27 (1 to 7); 28 (1 to 8); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8)
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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 : 1 (1-4); 2 (1, 2, 4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7; 8 (1-6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (2-6); 20 (1-6); 21 (1-5); 22 (1, 3-6); 23 (1-6); 24 (1-6); 25 (1-4); 26 (1-7); 27 (1-7); 28 (2-5, 7, 8); 29 (1-8)
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British Library
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Preserved
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2019-09-18
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Preserved : 24 (1 to 6), 25 (1 to 7), 26 (1 to 7), 27 (1 to 4; 6 to 7), 28 (1 to 8)
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