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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 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 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); 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 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 4 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 6); 77 (, 1 to 4, 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 6); 82 (, 1 to 6); 83 (, 1 to 6); 84 (, 1 to 6); 85 (, 1 to 6); 86 (, 1 to 6); 87 (, 1 to 6); 88 (, 1 to 6); 89 (, 1 to 6); 90 (, 1 to 6); 91 (, 1 to 6); 92 (, 1 to 6); 93 (, 1 to 6); 94 (, 1 to 6); 95 (, 1 to 6); 96 (, 1 to 6); 97 (, 1 to 6); 98 (, 1 to 6); 99 (, 1 to 6); 100 (, 1 to 6); 101 (, 1 to 6); 102 (, 1 to 6); 103 (, 1, 2); 1972; 1973; 1974; 1975; 1976; 1977; 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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Internet Archive
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Preserved
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2025-08-08
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12 to 63
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Portico
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Preserved
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2026-02-12
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Preserved : 1972: 1(1-4), 1973: 2(1-4), 1974: 3(1-4), 1975: 4(1-6), 1976: 5(1-6), 1977: 6(1-6), 1977: 7(1-6), 1978: 8(1-6), 1978: 9(1-6), 1979: 10(1-6), 1979: 11(1-6), 1980: 12(1-6), 1980: 13(1-6), 1981: 14(1-6), 1981: 15(1-6), 1982: 16(1-6), 1982: 17(1-6), 1983: 18(1-6), 1983: 19(1-6), 1984: 20(1-6), 1984: 21(1-6), 1985: 22(1-6), 1985: 23(1-6), 1986: 24(1-6), 1986: 25(1-6), 1987: 26(1-6), 1987: 27(1-6), 1988: 28(1-6), 1988: 29(1-6), 1989: 30(1-6), 1989: 31(1-6), 1990: 32(1-6), 1990: 33(1-6), 1991: 34(1-6), 1991: 35(1-6), 1992: 36(1-6), 1992: 37(1-6), 1993: 38(1-6), 1993: 39(1-6), 1994: 40(1-6), 1994: 41(1-6), 1995: 42(1-6), 1995: 43(1-6), 1996: 44(1-6), 1996: 45(1-6), 1997: 46(1-6), 1997: 47(1-6), 1998: 48(1-6), 1998: 49(1-6), 1999: 50(1-6), 1999: 51(1-6), 2000: 52(1-6), 2000: 53(1-6), 2001: 54(1-6), 2001: 55(1-6), 2002: 56(1-6), 2002: 57(1-6), 2003: 58(1-6), 2003: 59(1-6), 2004: 60(1-6), 2004: 61(1-6), 2005: 62(1-6), 2005: 63(1-6), 2006: 64(1-6), 2006: 65(1-6), 2007: 66(1-6), 2007: 67(1-6), 2008: 68(1-6), 2008: 69(1-6), 2009: 70(1-6), 2009: 71(1-6), 2010: 72(1-6), 2010: 73(1-6), 2011: 74(1-6), 2011: 75(1-6), 2012: 76(1-6), 2012: 77(1-6), 2013: 78(1-6), 2013: 79(1-6), 2014: 80(1-6), 2014: 81(1-6), 2015: 82(1-6), 2015: 83(1-6), 2016: 84(1, S1, 2-6), 2016: 85(1-6), 2017: 86(1, S1, 2-6), 2017: 87(1-6), 2018: 88(1-6), 2018: 89(1, S1, 2-6), 2019: 90(1-6), 2019: 91(1-6), 2020: 92(1-6), 2020: 93(1-6), 2021: 94(1-6), 2021: 95(1-6), 2022: 96(1-6), 2022: 97(1-6), 2023: 98(1-6), 2023: 99(1-6), 2024: 100(1-6), 2024: 101(1-6), 2025: 102(1-6), 2025: 103(1-6), 2026: 104(1-3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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23, 34 to 104
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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 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 3, 5, 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 4); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (, 1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (, 1 to 6); 85 (1 to 6); 86 (, 1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (, 1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 3, 5, 6)
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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 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 3, 5, 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 5); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (, 1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (, 1 to 6); 85 (1 to 6); 86 (, 1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (, 1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 3, 5, 6)
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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 : 64 (1-6); 65 (1-6); 66 (1-6); 67 (1, 3-6)
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