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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 4, 5‐6, 7 to 10, 11‐12); 6 (, 1 to 12); 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 (, 1‐2, 3‐4, 5, 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 3, 4‐5, 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 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 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 3); 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 3); 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 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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1 to 82
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LOCKSS Archive
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Preserved
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2026-02-09
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71, 73 to 75, 77 to 82
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 71(1-6), 2000: 72(1-6), 2001: 73(1-6), 2001: 74(1-6), 2002: 75(1-6), 2002: 76(1-6), 2003: 77(1-6), 2003: 78(1-6), 2004: 79(1-6), 2004: 80(1-3), 2005: 81(1-6), 2006: 82(1-6)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.65:1-6,sup.S1;vol.66:1-6;vol.67:1-6,sup.S1;vol.68:1-6;vol.69:1-6,sup.s1;vol.70:1-6;vol.71:1-6;vol.72:1-6;vol.73:1-6;vol.74:1-6;vol.75:1-6;vol.76:1-6;vol.77:1-6;vol.78:1-6;vol.79:1-6;vol.80:1-3;vol.81:1-6;vol.82:1-6;vol.83:1-6;vol.84:1-6;vol.85:1-6;vol.86:1-6;vol.87:1-6;vol.88:1-6;vol.89:1-6;vol.90:1-6;vol.91:1-6;vol.92:1-6;vol.93:1-6;vol.94:1-6;vol.95:1-6;vol.96:1-6
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Portico
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Preserved
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2026-02-12
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Preserved : 1962: 1(1-4), 1963: 2(1-4), 1964: 3(1-4), 1965: 4(1-6), 1966: 5(1-12), 1967: 6(1-12), 1968: 7(1-6), 1968: 8(1-6), 1969: 9(1-6), 1969: 10(1-6), 1970: 11(1-6), 1970: 12(1-6), 1971: 13(1-6), 1971: 14(1-6), 1972: 15(1-6), 1972: 16(1-6), 1973: 17(1-6), 1973: 18(1-6), 1974: 19(1-6), 1974: 20(1-6), 1975: 21(1-6), 1975: 22(1-6), 1976: 23(1-6), 1976: 24(1-6), 1977: 25(1-6), 1977: 26(1-6), 1978: 27(1-6), 1978: 28(1-6), 1979: 29(1-6), 1979: 30(1-6), 1980: 31(1-6), 1980: 32(1-6), 1981: 33(1-6), 1981: 34(1-6), 1982: 35(1-6), 1982: 36(1-6), 1983: 37(1-6), 1983: 38(1-6), 1984: 39(1-6), 1984: 40(1-6), 1985: 41(1-6), 1985: 42(1-6), 1986: 43(1-6), 1986: 44(1-6), 1987: 45(1, S1, 2-6), 1987: 46(1-6), 1988: 47(1-6), 1988: 48(1-6), 1989: 49(1, S 1, 2-6), 1989: 50(1-6), 1990: 51(1, S1, 2-5), 1990: 52(1-6), 1991: 53(1, S1, 2-6), 1991: 54(1-6), 1992: 55(1, S1, 2-6), 1992: 56(1-6), 1993: 57(1-6), 1993: 58(1-6), 1994: 59(1, S1, 2-6), 1994: 60(1-6), 1995: 61(1, S 1, 2-6), 1995: 62(1-6), 1996: 63(1-6), 1996: 64(1-6), 1997: 65(1, S1, 2-6), 1997: 66(1-6), 1998: 67(1-5), 1998: 68(1-5), 1999: 69(1-5), 1999: 70(1-5), 2000: 71(1-5), 2000: 72(1-5), 2001: 73(1-5), 2001: 74(1-5), 2002: 75(1-5), 2002: 76(1-5), 2003: 77(1-5), 2003: 78(1-5), 2004: 79(1-5), 2004: 80(1-3), 2005: 81(1-5), 2006: 82(1-5), 2007: 83(1-6), 2008: 84(1-6), 2009: 85(1-6), 2010: 86(1-6), 2011: 87(1-6), 2012: 88(1-6), 2013: 89(1-6), 2014: 90(1-6), 2015: 91(1-6), 2016: 92(1-6), 2017: 93(1-6), 2018: 94(1-6), 2019: 95(1-6), 2020: 96(1-6), 2021: 97(1-6), 2022: 98(1-6), 2023: 99(1-6), 2024: 100(1-6), 2025: 101(1-6), 2026: 102(1)
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CLOCKSS Archive
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Preserved
|
2026-02-09
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29, 32, 34, 40, 51, 53 to 102
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
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Preserved : 1 (1 to 6); 7 (1 to 6); 8 (1 to 3); 9 (1 to 6); 11 (1 to 5); 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, 3 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 1 (1 to 6); 7 (1 to 6); 8 (1 to 3); 9 (1 to 6); 11 (1 to 5); 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, 3 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 83 (1-6)
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