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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 3, 4S); 6 (, 1, 3); 7 (, 1 to 4); 8 (, 1 to 3, 4S); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6, 101, 201); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1, 3 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 3, 5, 6); 28 (, 1 to 6); 29 (, 1 to 8); 30 (, 1 to 8); 31 (, 1 to 8); 32 (, 1 to 8); 33 (, 1 to 4); 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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1 to 13
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 34
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 1(1-4), 1994: 2(1-4), 1995: 3(1-4), 1996: 4(1-4), 1997: 5(1-4, 4, S, s4), 1998: 6(1-4), 1999: 7(1-4), 2000: 8(1-4), 2001: 9(1-4), 2002: 10(1-4), 2003: 11(1-4), 2004: 12(1-4), 2005: 13(1-4), 2006: 14(1-4), 2007: 15(1-4), 2008: 16(1-4), 2009: 17(1-6), 2010: 18(1-6), 2011: 19(1-6), 2012: 20(1-6), 2013: 21(1-6), 2014: 22(1-6), 2015: 23(1-6), 2016: 24(1, S1, 2, S2, 3-6), 2017: 25(1, S1, 2, S2, 3-6), 2018: 26(1, S1, 2, S2, 3-6), 2019: 27(1, S1, 2-6), 2020: 28(1, S1, 2, S2, 3, S3, 4, S4, 5-6), 2021: 29(1, S1, 2, S2, 3-8), 2022: 30(1, S1, 2, S2, 3-8), 2023: 31(1-8), 2024: 32(1-8), 2025: 33(1-8), 2026: 34(1-2)
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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 : 1 (1 to 4); 2 (1 to 6); 3 (S1, 1 to 8); 5 (, 1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (, 1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (, 1 to 6); 19 (1 to 6, 11, 21); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (S1, 1 to 6); 28 (S1, 1 to 6); 29 (S1, 1 to 8); 31 (1 to 4, 6 to 8); 32 (1 to 8); 33 (1 to 7)
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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 : 1 (1 to 4); 2 (1 to 6); 3 (S1, 1 to 8); 5 (, 1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (, 1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (, 1 to 6); 19 (1 to 6, 11, 21); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (S1, 1 to 6); 28 (S1, 1 to 6); 29 (S1, 1 to 8); 31 (1 to 4, 6 to 8); 32 (1 to 8); 33 (1 to 7)
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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 : 14 (1-4); 15 (s4, 1-4)
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Library of Congress
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Preserved
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2025-04-07
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15 (3); 21 (1); 22 (1); 23 (1 to 6); 24 (1 to 6, S1, S2); 25 (1 to 6, S1, S2); 26 (1, 3 to 6, S1, S2); 27 (1 to 4, S1); 28 (1 to 6, S1, S2, S3, S4); 29 (2 to 8, S1, S2); 30 (1 to 8, S1, S2); 31 (1, 6, 7); 32 (4)
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