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Internet Archive
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Preserved
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2025-08-08
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82 to 8
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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); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1, 2, 4); 31 (, 2 to 4); 1989; 1990; 1991; 1992; 1993; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2014; 2015; 2016; 2023
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 1, 1990: 2, 1991: 3, 1992: 4, 1993: 5, 1996: 6, 1998: 7, 1999/2000: 8(1-4), 2001: 9(1-4), 2002: 10(1-4), 2003: 11(1-4), 2004: 12(1-4), 2005: 13(1-4), 2006: 14(1-4), 2007: 15(1-4), 2008: 16(1-4), 2009: 17(1-4), 2010: 18(1-4), 2011: 19(1-4), 2012: 20(1-4), 2013: 21(1-V5), 2014: 22(1-4, V6-V7), 2015: 23(1-4, V8-V9), 2016: 24(1-4, V10), 2017: 25(1-4), 2018: 26(1-4), 2018/2019: 27(1-4), 2019/2020: 28(1-4), 2020/2021: 29(1-4), 2022: 30(1, S 1, 2-4), 2023: 31(1-4), 2024: 32(1-4), 2025: 33(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 1(1), 1990: 2(1), 1991: 3(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 23
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 5(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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16 to 23
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Portico
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Preserved
|
2026-02-12
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Preserved : 2008: 16(4), 2009: 17(1-4), 2010: 18(1-4), 2010/2011: 19(1-4), 2012: 20(1-4), 2013: 21(1-4), 2014: 22(1-4), 2015: 23(1-4), 2015/2016: 24(1-4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 23 (1); 24 (, 1); 2015; 2016
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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); 27 (2 to 4); 28 (1 to 4); 29 (1 to 4); 30 (S1, 1 to 4); 31 (1 to 4)
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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); 2; 3; 4; 5
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British Library
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Preserved
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2019-09-18
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Preserved : 22 (1 to 4), 23 (1 to 2; 4), 24 (3 to 4)
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