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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 14); 2 (, 1 to 12); 3 (, 1 to 12); 4 (, 1 to 12); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 24); 22 (, 1 to 4 to 6 to 8 to 15, 17 to 24); 23 (, 1 to 24); 24 (, 1 to 24); 25 (, 1 to 24); 26 (, 1 to 24); 27 (, 1 to 24); 28 (, 1 to 8, 12 to 24); 29 (, 1 to 24); 30 (, 1 to 16); 31 (, 1 to 24); 32 (, 1 to 24); 33 (, 1 to 24); 34 (, 1 to 24); 35 (, 1 to 24); 36 (, 1 to 24); 37 (, 1 to 24); 38 (, 1 to 24); 39 (, 1 to 24); 40 (, 1 to 24); 41 (, 1 to 7, 9 to 24); 42 (, 1 to 52); 43 (, 1 to 52); 44 (, 1 to 52); 45 (, 1 to 53); 46 (, 1 to 52); 47 (, 1 to 52); 48 (, 1 to 8, 10 to 31, 33 to 36, 38 to 52); 49 (, 1 to 52); 50 (, 1 to 52); 51 (, 1 to 53); 52 (, 1 to 53); 53 (, 1 to 52); 54 (, 1 to 44, 48 to 52); 55 (, 1 to 52); 56 (, 1 to 9, 11 to 13, 15, 17, 18, 20 to 24, 26 to 30, 32, 37 to 52); 57 (, 1 to 37, 39 to 53); 58 (, 1 to 52); 59 (, 1 to 53); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 4, 05, 06, 8 to 10 to 12); 65 (, 1 to 12); 66 (, 1 to 12); 67 (, 1 to 12); 68 (, 1 to 12); 69 (, 1 to 12); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1 to 12); 75 (, 1 to 12); 76 (, 1 to 12); 77 (, 1 to 12); 78 (, 1, 2-3, 4 to 12); 79 (, 1 to 12); 80 (, 1 to 12); 81 (, 1 to 12); 82 (, 1 to 12); 83 (, 1 to 12); 84 (, 1 to 12); 85 (, 1 to 12); 86 (, 1 to 12); 87 (, 1 to 12); 88 (, 1 to 12); 89 (, 1 to 12); 90 (, 1 to 12); 91 (, 1, 2, 4 to 12); 92 (, 1 to 11); 93 (, 1 to 7, 9 to 12); 94 (, 1, 2, 4 to 12); 95 (, 1 to 12); 96 (, 1 to 12); 97 (, 1 to 12); 98 (, 1 to 12); 99 (, 1 to 12); 100 (, 1 to 7); 1882; 1883; 1884; 1885; 1886; 1887; 1888; 1889; 1890; 1891; 1892; 1893; 1894; 1895; 1896; 1897; 1898; 1899; 1900; 1901; 1902; 1903; 1904; 1905; 1906; 1907; 1908; 1909; 1910; 1911; 1912; 1913; 1914; 1915; 1916; 1917; 1918; 1919; 1920; 1921; 1922; 1923; 1924; 1925; 1926; 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1957; 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 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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65 to 75
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 31(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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31, 39, 50 to 101
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 36(1-12), 1987: 37(1-4), 1987: 38(1-4), 1987: 39(1-4), 1987: 40(1-4), 1988: 41(1-4), 1988: 42(1-4), 1988: 43(1-4), 1989: 44(1-4), 1989: 45(1-4), 1989: 46(1-4), 1990: 47(1-4), 1990: 48(1-4), 1990: 49(1-4), 1991: 50(1-4), 1991: 51(1-4), 1991: 52(1-4), 1992: 53(1-4), 1992: 54(1-4), 1992: 55(1-4), 1993: 56(1-4), 1993: 57(1-4), 1993: 58(1-4), 1994: 59(1-4), 1994: 60(1-4), 1994: 61(1-4), 1995: 62(1-4), 1995: 63(1-4), 1995: 64(1-4), 1996: 65(1-4), 1996: 66(1-4), 1996: 67(1-4), 1997: 68(1-4), 1997: 69(1-4), 1997: 70(1-4), 1998: 71(1-4), 1998: 72(1-4), 1998: 73(1-4), 1999: 74(1-12), 2000: 75(1-12), 2001: 76(1-12), 2002: 77(1-12), 2003: 78(1-12), 2004: 79(1-12), 2005: 80(1-12), 2006: 81(1-12), 2007: 82(1-12), 2008: 83(1-12), 2009: 84(1-12), 2010: 85(1-12), 2011: 86(1-12), 2012: 87(1-12), 2013: 88(1-12), 2014: 89(1-12), 2015: 90(1-12), 2016: 91(1-12), 2017: 92(1-12), 2018: 93(1-12), 2019: 94(1-12), 2020: 95(1-12), 2021: 96(1-12), 2022: 97(1-12), 2023: 98(1-12), 2024: 99(1-12), 2025: 100(1-12), 2026: 101(1-3)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.68:1-4;vol.69:1-4;vol.70:1-4;vol.71:1-4;vol.72:1-4;vol.73:1-4;vol.74:1-12;vol.75:1-12;vol.76:1-12;vol.77:1-12;vol.78:1-1,4-12,2-3;vol.79:1-12;vol.80:1-12;vol.81:1-12;vol.82:1-12;vol.83:1-12;vol.84:1-12;vol.85:1-12;vol.86:1-12;vol.87:1-12;vol.88:1-12;vol.89:1-12;vol.90:1-12;vol.91:1-12;vol.92:1-12;vol.93:1-12;vol.94:1-12;vol.95:1-12;vol.96:1-2
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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 9); 7 (1 to 4); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 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 4); 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, 2?3, 4 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 9, 11, 12); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11, 12); 93 (1 to 9, 11, 12); 94 (1 to 9, 11, 12); 95 (1 to 9, 11, 12); 96 (1 to 9, 11, 12); 97 (1 to 9, 11, 12); 98 (1 to 9, 11, 12); 99 (1 to 5, 7 to 9, 11, 12)
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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 9, 11); 7 (1 to 4); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 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 4); 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, 2?3, 4 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11, 12); 86 (1 to 9, 11, 12); 87 (1 to 9, 11, 12); 88 (1 to 9, 11, 12); 89 (1 to 9, 11, 12); 91 (1 to 9, 11, 12); 92 (1 to 9, 11, 12); 93 (1 to 9, 11, 12); 94 (1 to 9, 11, 12); 95 (1 to 9, 11, 12); 96 (1 to 9, 11, 12); 97 (1 to 9, 11, 12); 98 (1 to 9, 11, 12); 99 (1 to 5, 7 to 9, 11, 12)
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