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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 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 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 to 4); 21 (, 1 to 4); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1 to 8); 25 (, 1 to 8); 26 (, 1 to 8); 27 (, 1 to 8); 28 (, 1 to 5, 7 to 9); 29 (, 1 to 10); 30 (, 1 to 10); 31 (, 1, 2, 5 to 10); 32 (, 1 to 10); 33 (, 1 to 10); 34 (, 1 to 10); 35 (, 1 to 3, 4-5, 6 to 10); 36 (, 1 to 10); 37 (, 1 to 10); 38 (, 1 to 5, 7 to 10); 39 (, 1 to 10); 40 (, 1, 2); 1986; 1987; 1988; 1989; 1990; 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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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 21, 31 to 40
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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 14, 39, 40
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 1(1-4), 1987: 2(1-4), 1988: 3(1-4), 1989/1990: 4(1-4), 1990/1991: 5(1-4), 1991/1992: 6(1-4), 1992/1993: 7(1-4), 1993/1994: 8(1-4), 1994/1995: 9(1-4), 1995/1996: 10(1-4), 1996/1997: 11(1-4), 1997/1998: 12(1-4), 1998/1999: 13(1-4), 1999/2000: 14(1-4), 2000/2001: 15(1-4), 2001/2002: 16(1-4), 2002/2003: 17(1-4), 2003/2004: 18(1-4), 2004/2005: 19(1-4), 2005/2006: 20(1-4), 2006/2007: 21(1-4), 2007/2008: 22(1-6), 2008/2009: 23(1-6), 2009/2010: 24(1-8), 2010/2011: 25(1-8), 2011/2012: 26(1-8), 2012/2013: 27(1-8), 2013/2014: 28(1-9), 2014/2015: 29(1-10), 2015/2016: 30(1-10), 2016/2017: 31(1-10), 2017/2018: 32(1-10), 2018/2019: 33(1-10), 2019/2020: 34(1-10), 2020/2021: 35(1-6), 2021/2022: 36(1-10), 2022/2023: 37(1-10), 2023/2024: 38(1-10), 2024/2025: 39(1-10), 2025/2026: 40(1-8)
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LOCKSS Archive
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Preserved
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2026-02-09
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15 to 38
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CLOCKSS Archive
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Preserved
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2026-02-09
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22 to 30
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Library of Congress
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Preserved
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2025-04-07
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24 (5 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 9); 29 (1 to 10); 30 (1 to 10); 31 (1 to 10); 32 (1 to 6); 33 (1, 2, 4, 6 to 10); 34 (1 to 10); 35 (1 to 4-5, 6 to 10); 36 (1 to 10); 37 (1 to 10); 38 (1 to 10); 39 (1 to 5)
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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, 3, 4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (2-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-6); 23 (1-3, 5, 6); 24 (1-8); 25 (1-8); 26 (1-3, 5-8); 27 (1-8); 28 (1-9); 29 (1-10); 30 (1, 2, 4-10); 31 (1-10); 32 (1-10); 33 (1-10); 34 (1-5)
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British Library
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Preserved
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2019-09-18
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Preserved : 28 (5 to 9), 29 (1 to 10), 30 (1 to 10), 31 (1 to 10), 32 (1 to 10), 33 (1 to 4)
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