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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 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 6); 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); 30 (, 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); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 2 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 12); 74 (, 1 to 12); 75 (, 1 to 12); 76 (, 1 to 6, 8 to 12); 77 (, 1 to 12); 78 (, 1 to 9, 10‐11, 12); 79 (, 1, 2, 6 to 12); 80 (, 1 to 12); 81 (, 1 to 12); 82 (, 1 to 6, 7-8, 9 to 12); 83 (, 1 to 12); 84 (, 1 to 12); 85 (, 1 to 7, 8-9, 10 to 12); 86 (, 1 to 12); 87 (, 1 to 6, 8 to 12); 88 (, 1 to 12); 89 (, 1 to 4, 5-6, 7 to 12); 90 (, 1 to 7, 8-9, 10-11, 12); 91 (, 1 to 12); 92 (, 1 to 6); 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 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 : 1988/1989: 1(1-4), 1990: 25(1-4), 1990: 26(1-4), 1990: 27(1-4), 1991: 28(1-4), 1991: 29(1-4), 1991: 30(1-4), 1992: 31(1-4), 1992: 32(1-4), 1992: 33(1-4), 1993: 34(1-4), 1993: 35(1-4), 1993: 36(1-4), 1994: 37(1-4), 1994: 38(1-4), 1994: 39(1-4), 1995: 40(1-4), 1995: 41(1-4), 1995: 42(1-4), 1996: 43(1-4), 1996: 44(1-4), 1996: 45(1-4), 1997: 46(1-4), 1997: 47(1-4), 1997: 48(1-4), 1998: 49(1-4), 1998: 50(1-4), 1998: 51(1-4), 1999: 52(1-4), 1999: 53(1-4), 1999: 54(1-4), 2000: 55(1-4), 2000: 56(1-2, S 2, 3-4), 2000: 57(1-4), 2001: 58(1-4), 2001: 59(1-4), 2001: 60(1-4), 2002: 61(1-4), 2002: 62(1-4), 2002: 63(1-4), 2003: 64(1-4), 2003: 65(1-4), 2003: 66(1-4), 2004: 67(1-4), 2004: 68(1-4), 2004: 69(1-4), 2005: 70(1-4), 2005: 71(1-4), 2005: 72(1-4), 2006: 73(1-12), 2007: 74(1-12), 2008: 75(1-12), 2009: 76(1-12), 2010: 77(1-12), 2011: 78(1-12), 2012: 79(1-12), 2013: 80(1-12), 2014: 81(1-12), 2015: 82(1-12), 2016: 83(1-12), 2017: 84(1-12), 2018: 85(1-12), 2019: 86(1-12), 2020: 87(1-12), 2021: 88(1-12), 2022: 89(1-12), 2023: 90(1-12), 2024: 91(1-12), 2025: 92(1-12), 2026: 93(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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28 to 93
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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 : 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 9, 11, 12); 9 (1 to 7, 8-9, 12); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (S2, 1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11); 82 (1 to 6, 7-8, 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 7, 8-9, 11, 12); 86 (1, 2, 5 to 9, 11, 12); 87 (1 to 6, 8, 9, 11, 12); 88 (1 to 9, 11, 12); 89 (1 to 4, 5-6, 7, 8, 11, 12); 91 (1 to 9, 11, 12); 92 (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 : 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 9, 11, 12); 9 (1 to 7, 8-9, 12); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (S2, 1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11); 82 (1 to 6, 7-8, 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 7, 8-9, 11, 12); 86 (1, 2, 5 to 9, 11, 12); 87 (1 to 6, 8, 9, 11, 12); 88 (1 to 9, 11, 12); 89 (1 to 4, 5-6, 7, 8, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9)
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