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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 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 6, 8 to 12); 49 (, 1 to 9, 11, 12); 50 (, 1 to 12); 51 (, 1 to 3, 7 to 11); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 6); 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 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 : 1989/1990: 1(1-4), 1990: 2(1-4), 1991: 3(1-6), 1992: 4(1-4), 1992: 5(1-4), 1993: 6(1-4), 1993: 7(1-4), 1993: 8(1-4), 1994: 9(1-4), 1994: 10(1-4), 1994: 11(1-4), 1995: 12(1-4), 1995: 13(1-4), 1995: 14(1-4), 1996: 15(1-4), 1996: 16(1-4), 1996: 17(1-4), 1997: 18(1-4), 1997: 19(1-4), 1997: 20(1-4), 1998: 21(1-4), 1998: 22(1-4), 1998: 23(1-4), 1999: 24(1-4), 1999: 25(1-4), 1999: 26(1-4), 2000: 27(1-4), 2000: 28(1-4), 2000: 29(1-4), 2001: 30(1-4), 2001: 31(1-4), 2001: 32(1-4), 2002: 33(1-4), 2002: 34(1-4), 2002: 35(1-4), 2003: 36(1-4), 2003: 37(1-4), 2003: 38(1-4), 2004: 39(1-4), 2004: 40(1-4), 2004: 41(1-4), 2005: 42(1-4), 2005: 43(1-4), 2005: 44(1-4), 2006: 45(1-12), 2007: 46(1-12), 2008: 47(1-12), 2009: 48(1-12), 2010: 49(1-12), 2011: 50(1-12), 2012: 51(1-12), 2013: 52(1-12), 2014: 53(1-12), 2015: 54(1-12), 2016: 55(1-12), 2017: 56(1-12), 2018: 57(1-12), 2019: 58(1-12), 2020: 59(1-12), 2021: 60(1-12), 2022: 61(1-12), 2023: 62(1-12), 2024: 63(1-12), 2025: 64(1-12), 2026: 65(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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3 to 65, 9999
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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 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9)
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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 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9)
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