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Portico
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Preserved
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2026-02-12
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Preserved : 1938: 28(1-4), 1939: 29(1-4), 1940/1941: 30(1-4), 1941/1942: 31(1-4), 1943/1944: 32(1-4), 1944/1945/1946: 33(1-4), 1947/1948: 34(1-4), 1949/1950: 35(1-4), 1950/1951: 36(1-4), 1952: 37(1-4), 1953: 38(1-4), 1954: 39(1-4), 1955: 40(1-4), 1956: 41(1-4), 1957: 42(1-4), 1958: 43(1-4), 1959: 44(1-4), 1960: 45(1-4), 1961: 46(1-4), 1962: 47(1-4), 1963: 48(1-4), 1964: 49(1-4), 1965: 50(1-4), 1966: 51(1-4), 1967: 52(1-4), 1968: 53(1-4), 1969: 54(1-4), 1970: 55(1-4), 1971: 56(1-4), 1972: 57(1-4), 1973: 58(1-4), 1974: 59(1-4), 1975: 60(1-4), 1976: 61(1-4), 1977: 62(1-4), 1978: 63(1-4), 1979: 64(1-4), 1980: 65(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 66(1-4), 1982: 67(1-4), 1983: 68(1-4), 1984: 69(1-4), 1985: 70(1-4), 1986: 71(1-4), 1987: 72(1-4), 1988: 73(1-6), 1989: 74(1-7)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 111
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Portico
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Preserved
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2026-02-12
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Preserved : 1908: 1(1-4), 1909: 2(1-4), 1910: 3(1-4), 1911: 4(1-4), 1912: 5(1-4), 1913: 6(1-4), 1913/1914: 7(1-4), 1914/1915: 8(1-4), 1915/1916: 9(1-4), 1916/1917: 10(1-4), 1917: 11(1-4), 1918/1919/1920: 12(1-4), 1922/1923: 13(1-4, S), 1924: 14(1-4), 1925: 15(1-4), 1926/1927: 16(1-4), 1927: 17(1), 1927/1928: 18(1-4), 1928/1929: 19(1-4), 1930: 20(1-4), 1931/1932: 21(1-4), 1932/1933: 22(1-4), 1933: 23(1), 1934/1935: 24(1-4), 1935: 25(1-4), 1936/1937: 26(1-4), 1937/1938: 27(1-4)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 75 (1 to 6); 76 (, 1 to 6); 77 (, 1 to 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 12); 94 (, 1 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 12); 101 (, 1 to 12); 102 (, 1 to 12); 103 (, 1 to 12); 104 (, 1 to 12); 105 (, 1 to 12); 106 (, 1 to 12); 107 (, 1 to 12); 108 (, 1 to 12); 109 (, 1 to 12); 110 (, 1 to 7); 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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77 to 85
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 75(1-6), 1991: 76(1-6), 1992: 77(1-6), 1993: 78(1-6), 1994: 79(1-6), 1995: 80(1-6), 1996: 81(1-6), 1997: 82(1-6), 1998: 83(1-6), 1999: 84(1-6), 2000: 85(1, S 1, 2-6), 2001: 86(1-6), 2002: 87(1-6), 2003: 88(1-6), 2004: 89(1-6), 2005: 90(1-6), 2006: 91(1-6), 2007: 92(1-6), 2008: 93(1-12), 2009: 94(1-12), 2010: 95(1-12), 2011: 96(1-12), 2012: 97(1-12), 2013: 98(1-12), 2014: 99(1-12), 2015: 100(1-12), 2016: 101(1-12), 2017: 102(1-12), 2018: 103(1-12), 2019: 104(1-12), 2020: 105(1-12), 2021: 106(1-12), 2022: 107(1-12), 2023: 108(1-12), 2024: 109(1-12), 2025: 110(1-12), 2026: 111(1-2)
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LOCKSS Archive
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Preserved
|
2026-02-09
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75 to 98
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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 9, 11, 12); 9 (1 to 6); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 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 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 9, 11, 12)
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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 9, 11, 12); 9 (1 to 6); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 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 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 9, 11, 12)
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National Library of the Netherlands
|
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Preserved
|
2024-12-15
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Preserved : 91 (1-6); 92 (1-6)
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Library of Congress
|
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Preserved
|
2025-04-07
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84 (2 to 6); 85 (1 to 6, s1); 86 (2 to 6); 87 (1 to 6); 88 (1 to 6); 89 (2 to 6); 90 (1 to 6); 91 (1 to 6); 92 (1, 3 to 6); 93 (1 to 12); 94 (1 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 12); 101 (1 to 12); 102 (2, 3, 5 to 7, 9 to 12); 103 (2, 3, 5 to 12); 104 (1 to 9, 11, 12); 105 (1, 3, 4, 6 to 12); 106 (1 to 12); 107 (2 to 12); 108 (1 to 4, 8 to 11); 109 (4, 5)
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