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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 4); 17 (, 1, 2-3, 4); 18 (, 1 to 4); 19 (, 1, 2-3, 4); 20 (, 1 to 4); 21 (, 1, 2, 3-4, 5); 22 (, 1 to 6); 23 (, 1, 2, 3-4, 5 to 8); 24 (, 1 to 12); 25 (, 1 to 14); 26 (, 1 to 16); 27 (, 1-2, 3 to 8, 9-10, 11 to 13, 14-15, 16-18); 28 (, 1, 2, 3-4, 5 to 7, 8-9, 10 to 18); 29 (, 1 to 18); 30 (, 1 to 18); 31 (, 1-2, 3 to 18); 32 (, 1 to 10, 11-12, 13 to 18); 33 (, 1-2, 3 to 5, 6-7, 8 to 18); 34 (, 1-2, 3-4, 9 to 16, 17-18); 35 (, 1, 2-3, 4 to 6, 7-8, 9 to 11, 12-13, 14, 15-16, 17-18); 36 (, 1, 2-3, 4-5, 6, 7-8, 9-10, 11, 12, 13-14, 15-16, 17-18); 37 (, 1-2, 3-4, 5-6, 7 to 17); 38 (, 1, 2-3, 4 to 9, 10-11, 12, 13-14, 15 to 18); 39 (, 1 to 7, 8-9, 10 to 12, 13-14, 15); 40 (, 1, 2-3, 4, 5, 6-7, 8, 9, 10-11, 12, 13, 15); 41 (, 1, 2-3, 4 to 9, 10-11, 12 to 15); 42 (, 1 to 5); 1984; 1985; 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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Internet Archive
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Preserved
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2025-08-08
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7 to 31
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Portico
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Preserved
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2026-02-12
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Preserved : 1984: 1(1-3), 1985: 2(1-3), 1986: 3(1-3), 1987: 4(1-3), 1988: 5(1-3), 1989: 6(1-3), 1990: 7(1-3), 1991: 8(1-3), 1992: 9(1-3), 1993: 10(1-3), 1994: 11(1-3), 1995: 12(1-3), 1996: 13(1-3), 1997: 14(1-3), 1998: 15(1-3), 1999: 16(1-4), 2000: 17(1-4), 2001: 18(1-4), 2002: 19(1-4), 2003: 20(1-4), 2004: 21(1-5), 2005: 22(1-6), 2006: 23(1-8), 2007: 24(1-12), 2008: 25(1-14), 2009: 26(1-16), 2010: 27(1-18), 2011: 28(1-18), 2012: 29(1-18), 2013: 30(1-18), 2014: 31(1-18), 2015: 32(1-18), 2016: 33(1-18), 2017: 34(1-18), 2018: 35(1-18), 2019: 36(1-18), 2020/2021: 37(1-2, sup1, 3-17), 2021/2022: 38(1-18), 2022: 39(1-15), 2023: 40(1-15), 2024: 41(1-15), 2025: 42(1-14)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 41
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 42
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LOCKSS Archive
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In Progress
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2026-02-09
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42
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Library of Congress
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Preserved
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2025-04-07
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27 (1-2, 3 to 9-10, 11 to 14-15, 16-18); 28 (1 to 3-4, 5 to 8-9, 10 to 18); 29 (1 to 18); 30 (1 to 18); 31 (1-2, 3 to 18); 32 (1 to 11-12, 13 to 18); 33 (1-2, 3 to 6-7, 8 to 18); 34 (1-2, 3-4, 5-6, 7-8, 9 to 17-18); 35 (1, 2-3, 4 to 7-8, 9 to 12-13, 14, 15-16, 17-18); 36 (1, 2-3, 4-5, 6, 7-8, 9-10, 11 to 13-14, 15-16, 17-18); 37 (sup1, 1-2, 3-4, 5-6, 7 to 17); 38 (1, 2-3, 4 to 10-11, 12, 13-14, 15 to 18); 39 (1 to 8-9, 10 to 13-14, 15); 40 (1, 2-3, 4 to 6-7, 8 to 10-11, 12 to 15); 41 (1, 2-3, 4 to 9, 12)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 2 (1 to 4); 3 (1 to 9, 11 to 18); 4 (1, 2-3, 4, 5, 6-7, 8, 9, 12 to 15); 14 (1 to 3); 15 (1 to 3); 16 (1 to 4); 17 (1, 2-3, 4); 18 (1 to 4); 19 (1, 2-3, 4); 21 (sup1, 1, 2, 3-4, 5); 22 (1 to 6); 23 (1, 2, 3-4, 5 to 8); 24 (1 to 9, 11, 12); 25 (1 to 9, 11 to 14); 26 (1 to 9, 11 to 16); 27 (1-2, 3 to 8, 9-1, 11 to 13, 14-15, 16-18); 28 (1, 2, 3-4, 5 to 7, 8-9, 11 to 18); 29 (1 to 9, 11 to 18); 31 (1-2, 3 to 9, 11 to 18); 32 (1 to 9, 11-12, 13 to 18); 33 (1-2, 3 to 5, 6-7, 8, 9, 11 to 18); 34 (1-2, 3-4, 5-6, 7-8, 9, 11 to 16, 17-18); 35 (1, 2-3, 4 to 6, 7-8, 9, 11, 12-13, 14, 15-16, 17-18); 36 (1, 2-3, 4-5, 6, 7-8, 9-1, 11, 12, 13-14, 15-16, 17-18); 37 (sup1, 1-2, 3-4, 5-6, 7 to 9, 11 to 17); 38 (1-11, 2-3, 4 to 9, 12, 13-14, 15 to 18); 39 (1 to 7, 8-9, 11, 12, 13-14, 15); 41 (1, 2-3, 4 to 9, 12, 13, 15); 42 (1)
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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); 2 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-4); 17 (1, 2-3, 4); 18 (1-4); 19 (1, 2-3, 4); 20 (1-4); 21 (1, 2, 3-4, 5); 22 (1-6); 23 (1, 2, 3-4, 5-8); 24 (1-12); 25 (1-14)
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