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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 6); 13 (, 1 to 6); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 18); 27 (, 1 to 18); 28 (, 1 to 18); 29 (, 2, 4 to 18); 30 (, 1 to 20); 31 (, 1 to 17, 20); 32 (, 1 to 19, 21 to 24); 33 (, 1 to 24); 34 (, 1 to 20, 21-22, 23-24); 35 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 36 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 37 (, 1-2, 3-4); 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 29
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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 22, 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 17, 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: 4(1-4), 1990: 5(1-4), 1991: 6(1-4), 1992: 7(1-4), 1993: 8(1-4), 1994: 9(1-4), 1995: 10(1-4), 1996: 11(1-4), 1997: 12(1-6), 1998: 13(1-6), 1999: 14(1-12), 2000: 15(1-12), 2001: 16(1-12), 2002: 17(1-12), 2003: 18(1-12), 2004: 19(1-12), 2005: 20(1-12), 2006: 21(1-12), 2007: 22(1-12), 2008: 23(1-12), 2009: 24(1-12), 2010: 25(1-12), 2011: 26(1-18), 2012: 27(1-18), 2013: 28(1-18), 2014: 29(1-18), 2015: 30(1-20), 2016: 31(1-20), 2017: 32(1-24), 2018: 33(1-24), 2019: 34(1-24), 2020: 35(1-24), 2021: 36(1-24), 2022: 37(1-24), 2023: 38(1-24), 2024: 39(1-24), 2025: 40(1-24), 2026: 41(1-6)
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LOCKSS Archive
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Preserved
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2026-02-09
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18 to 39
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CLOCKSS Archive
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Preserved
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2026-02-09
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23 to 30
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 35 (17-18, 19-20); 36 (, 9-10, 21-22); 37 (, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 38 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 39 (, 1-2, 3-4, 5-6, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 40 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16); 2020; 2021; 2022; 2023; 2024; 2025
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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 to 12); 26 (1 to 18); 27 (1 to 18); 28 (1 to 18); 29 (1 to 18); 30 (1 to 20); 31 (1 to 20); 32 (1 to 24); 33 (1 to 24); 34 (1 to 21-22, 23-24); 35 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 36 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 37 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 38 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 39 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 40 (1-2)
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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); 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 (1-3, 5-12); 15 (1-11); 16 (1-12); 17 (1-12); 18 (1-12); 19 (1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-12); 24 (3-8, 10-12); 25 (1-12); 26 (1-15, 18); 27 (1-18); 28 (1-18); 29 (1-12, 14-18); 30 (1-12, 20); 31 (1-18, 20); 32 (1-24); 33 (1-22, 24); 34 (1-18, 20, 21-22, 23-24)
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British Library
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Preserved
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2019-09-18
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Preserved : 29 (1 to 18), 30 (1 to 20), 31 (1 to 20), 32 (1 to 24), 33 (1 to 23)
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