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