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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_suppl, 2 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 6); 13 (, 1_suppl, 2 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1_suppl, 2 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 9, 10-11, 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 6); 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 18, 20, 31 to 39
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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, 15, 16, 39
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 1(1-4), 1988: 2(1-4), 1989: 3(1-4), 1990: 4(1-4), 1991: 5(1-4), 1992: 6(1, 1, S, 2-4), 1993: 7(1-4), 1994: 8(1-4), 1995: 9(1-4), 1996: 10(1-4), 1997: 11(1-4), 1998: 12(1-6), 1999: 13(1, 1, S, s1-6), 2000: 14(1-6), 2001: 15(1-6), 2002: 16(1, 1, S, 2-8), 2003: 17(1-8), 2004: 18(1-8), 2005: 19(1-8), 2006: 20(1-12), 2007: 21(1-12), 2008: 22(1-12), 2009: 23(1-12), 2010: 24(1-12), 2011: 25(1-12), 2012: 26(1-12), 2013: 27(1-12), 2014: 28(1-12), 2015: 29(1-12), 2016: 30(1-12), 2017: 31(1-12), 2018: 32(1-12), 2019: 33(1-12), 2020: 34(1-11), 2021: 35(8-12), 2022: 36(1-12), 2023: 37(1-12), 2024: 38(1-12), 2025: 39(1-12), 2026: 40(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, 17 to 38
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CLOCKSS Archive
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Preserved
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2026-02-09
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19, 21 to 30
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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, 3, 4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-8); 17 (1-8); 18 (1-8); 19 (1-8); 20 (1-12); 21 (1-12); 22 (1-9, 10-11, 12); 23 (2-12); 24 (1-12); 25 (1-10, 12); 26 (1-12); 27 (1-12); 28 (1-12); 29 (1-6, 8, 10-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12)
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British Library
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Preserved
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2019-09-18
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Preserved : 28 (1 to 12), 29 (1 to 12), 30 (1 to 12), 31 (1 to 12), 32 (1 to 11)
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