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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 6); 4 (, 1 to 4); 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 4); 12 (, 1 to 4); 13 (, 1 to 6); 14 (, 1 to 3); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 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 (, 1 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 3, 5, 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 3); 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 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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6 to 23
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CLOCKSS Archive
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Preserved
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2026-02-09
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1, 8 to 43
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Portico
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Preserved
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2026-02-12
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Preserved : 1983/1984: 1(1-4), 1984/1985: 2(1-4), 1985/1986: 3(1-6), 1987: 4(1-4), 1988: 5(1-4), 1989: 6(1-4), 1990: 7(1-4), 1991: 8(1-4), 1992: 9(1-4), 1993: 10(1-4), 1994: 11(1-4), 1995: 12(1-4), 1996: 13(1-6), 1997: 14(1-6), 1998: 15(1-6), 1999: 16(1-6), 2000: 17(1-6), 2001: 18(1-6), 2002: 19(1-6), 2003: 20(1-6), 2004: 21(1-6), 2005: 22(1-6), 2006: 23(1-6), 2007: 24(1-6), 2008: 25(1-6), 2009: 26(1-6), 2010: 27(1-6), 2011: 28(1-6), 2012: 29(1-6), 2013: 30(1-6), 2014: 31(1-6), 2015: 32(1-6), 2016: 33(1, S1, 2-6), 2017: 34(1, S1, 2, S2, 3-6), 2018: 35(1, S1, 2, S2, 3-6), 2019: 36(1, S1, 2-6), 2020: 37(1, S 1, 2-6), 2021: 38(1, S1, 2, S2, 3-6), 2022: 39(1, S1, 2-6), 2023: 40(1, S1, 2, S2, 3-6), 2024: 41(1, S1, 2, S2, 3-6), 2025: 42(1, S1, 2, S2, 3-6), 2026: 43(1)
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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 6); 3 (1 to 6); 4 (S1, 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 6); 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 (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 (S1, 1 to 6); 37 (S1, 1 to 6); 38 (S1, 1 to 6); 39 (S1, 1 to 6); 41 (S1, 1, 2, 4 to 6); 42 (S1, 1 to 5)
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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 6); 3 (1 to 6); 4 (S1, 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 6); 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 (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 (S1, 1 to 6); 37 (S1, 1 to 6); 38 (S1, 1 to 6); 39 (S1, 1 to 6); 41 (S1, 1, 2, 4 to 6); 42 (S1, 1 to 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 : 23 (1-6); 24 (1-6)
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