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