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Internet Archive
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Preserved
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2025-08-08
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1 to 24
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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, 2); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 8); 14 (, 1 to 8); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1 to 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 8); 21 (, 1 to 8); 22 (, 1 to 8); 23 (, 1 to 8); 24 (, 1 to 8); 25 (, 1 to 5, 7‐8); 26 (, 1, 2, 4-5, 6 to 8); 27 (, 1, 3 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 3); 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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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 1(1-2), 1987: 2(1-4), 1988: 3(1-4), 1989: 4(1-4), 1990: 5(1-4), 1991: 6(1, S 1, 2-4), 1992: 7(1-6), 1993: 8(1-6), 1994: 9(1, S 1, 2-6), 1995: 10(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5-6), 1996: 11(1, S 1, 2, S 2, 3-6), 1997: 12(1, S 1, 2, S 2, 3, S 3, 4-6), 1998: 13(1, S 1, 2, S 2, 3-8), 1999: 14(1, S 1, 2-8), 2000: 15(1, S 1, 2-8), 2001: 16(1, S 1, 2, S 2, 3-8), 2002: 17(1, S 1, 2-8), 2003: 18(1-8), 2004: 19(1, S 1, 2-8), 2005: 20(1-8), 2006: 21(1-8), 2007: 22(1-8), 2008: 23(1, S 1, 2-8), 2009: 24(1, S 1, 2-8), 2010: 25(1-6), 2011: 26(1-6), 2012: 27(1-6), 2013: 28(1-6), 2014: 29(1-6), 2015: 30(1-6), 2016: 31(1-6), 2017: 32(1-6), 2018: 33(1-6), 2019: 34(1-6), 2020: 35(1-6), 2021: 36(1-6), 2022: 37(1-6), 2023: 38(1-6), 2024: 39(1-6), 2025: 40(1-6), 2026: 41(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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6 to 41
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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 (2 to 8); 3 (1 to 6); 4 (1 to 5); 11 (S1, 1 to 6); 12 (S1, 1 to 6); 13 (S1, 1 to 8); 14 (S1, 1 to 8); 15 (S1, 1 to 8); 16 (S1, 1 to 8); 17 (S1, 1 to 8); 18 (1 to 8); 19 (S1, 1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (S1, 1 to 8); 24 (S1, 1 to 8); 25 (1 to 6, 7?8); 26 (1 to 3, 4-5, 6 to 8); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 3, 5, 6); 38 (1 to 5); 39 (2 to 6)
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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 (2 to 8); 3 (1 to 6); 4 (1 to 5); 11 (S1, 1 to 6); 12 (S1, 1 to 6); 13 (S1, 1 to 8); 14 (S1, 1 to 8); 15 (S1, 1 to 8); 16 (S1, 1 to 8); 17 (S1, 1 to 8); 18 (1 to 8); 19 (S1, 1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (S1, 1 to 8); 24 (S1, 1 to 8); 25 (1 to 6, 7?8); 26 (1 to 3, 4-5, 6 to 8); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 3, 5, 6); 38 (1 to 5); 39 (2 to 6)
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Library of Congress
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Preserved
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2025-04-07
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10 (S3); 27 (1); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 5); 32 (2 to 6); 33 (2, 3, 5); 34 (1, 3 to 6); 35 (1 to 5); 36 (2 to 6); 37 (2 to 6); 38 (1, 5, 6); 39 (3)
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