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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 : 1 (1-4); 2 (1-4); 3 (1, 3, 4); 4 (2-4); 5 (2-4); 6 (2-4); 7 (2-4); 8 (1-4); 9 (1-4); 10 (2-4); 11 (1-4); 12 (3, 4); 13 (2-3, 4); 14 (1-4); 15 (1-4); 16 (2-4); 17 (1-4); 18 (2-4); 19 (2-4); 20 (1-4); 21 (2-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-3); 26 (1-4); 27 (1-4); 28 (1, 2, 4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1, 2, 3-4); 55 (1, 2, 3-4); 56 (1, 2, 3-4); 57 (1, 2, 3-4); 58 (1, 2, 3-4); 59 (1-3); 60 (1-3); 61 (1-3); 62 (1-3); 63 (1-3); 64 (1-3); 65 (1-3); 66 (1-3); 67 (1-3); 68 (1, 3-4); 69 (1-3); 70 (1-3); 71 (1-3); 72 (1-3); 73 (1-3); 74 (1, 2); 75 (1-3); 76 (1-3); 77 (1, 2); 78 (1, 2, 3-4); 79 (1-3); 80 (1-3); 81 (1-3); 82 (1-3); 83 (1-4); 84 (1, 2); 85 (1, 2-3); 86 (1-12); 87 (1-12)
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British Library
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Preserved
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2019-09-18
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Preserved : 107 (1 to 6; 9; 11 to 12), 108 (1 to 6; 8 to 10; 12), 109 (1 to 3; 5 to 10; 12; S1), 110 (1 to 2; 4 to 5; 8; 11), 111 (1; 3; 5 to 8; 10; 12; S1), 112 (1 to 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, 11, 12); 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 (suppl_1, 1 to 9, 11, 12); 94 (11); 99 (1 to 9, 11, 12); 111 (suppl_1, 1 to 9, 11, 12); 112 (1 to 9, 11, 12); 113 (Supplement_1, 1 to 9, 11, 12); 114 (Supplement_1, 1 to 9, 11, 12); 115 (1 to 9, 11, 12); 116 (Supplement_1, 1 to 3, 5 to 9, 11, 12); 117 (Supplement_1, 1 to 7, 11); 118 (2 to 5)
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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, 12); 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 (suppl_1, 1 to 9, 11, 12); 94 (11); 99 (1 to 9, 11, 12); 111 (suppl_1, 1 to 9, 11, 12); 112 (1 to 9, 11, 12); 113 (Supplement_1, 1 to 9, 11, 12); 114 (Supplement_1, 1 to 9, 11, 12); 115 (1 to 9, 11, 12); 116 (Supplement_1, 1 to 3, 5 to 9, 11, 12); 117 (Supplement_1, 1 to 7, 11); 118 (2 to 6)
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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 4); 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, 2-3, 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, 2, 3-4); 55 (, 1, 2, 3-4); 56 (, 1, 2, 3-4); 57 (, 1, 2, 3-4); 58 (, 1, 2, 3-4); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66 (, 1 to 3); 67 (, 1 to 3); 68 (, 1, 2, 3-4); 69 (, 1 to 3); 70 (, 1 to 3); 71 (, 1 to 3); 72 (, 1 to 3); 73 (, 1 to 3); 74 (, 1 to 3); 75 (, 1 to 3); 76 (, 1 to 3); 77 (, 1, 2); 78 (, 1, 2, 3-4); 79 (, 1 to 3); 80 (, 1 to 3); 81 (, 1 to 3); 82 (, 1 to 3); 83 (, 1 to 4); 84 (, 1, 2); 85 (, 1, 2-3); 86 (, 1 to 12); 87 (, 1 to 12); 89 (, 2 to 12); 90 (, 1, 10, 12); 91 (, 1 to 12); 92 (, 1 to 12); 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, 2, 4 to 12); 101 (, 1 to 12); 102 (, 1 to 12); 103 (, 1 to 12); 104 (, 1 to 12); 105 (, 1, 2); 107 (, 2 to 12); 108 (, 1 to 12); 109 (, 1 to 12); 110 (, 1 to 12); 111 (, 1, 3 to 6, 8, 10, 12); 112 (, 1 to 4, 6, 8 to 11); 113 (, 2 to 4, 6 to 9, 11, 12); 114 (, 1, 3 to 5, 8 to 12); 115 (, 1 to 12); 116 (, 1 to 9); 117 (, 11, 12); 118 (, 1); 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; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 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 106
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 84(1-2)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1992: 85(1-3), 1993: 86(1-12), 1994: 87(1-12)
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Portico
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Preserved
|
2026-02-12
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Preserved : 1996: 89(10-11)
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LOCKSS Archive
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Preserved
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2026-02-09
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98 to 105, 107 to 117
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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(2-4), 1914: 7(1-4), 1915: 8(1-4), 1916: 9(1-4), 1917: 10(1-4), 1918: 11(1-4), 1919: 12(1-4), 1920: 13(1-4), 1921: 14(1-4), 1922: 15(1-4), 1923: 16(1-4), 1924: 17(1-4), 1925: 18(1-4), 1926: 19(1-4), 1927: 20(1-4), 1928/1952: 21(1-4), 1929: 22(1-4), 1930: 23(1-4), 1931: 24(1-4), 1932: 25(1-4), 1933: 26(1-4), 1934: 27(1-4), 1935: 28(1-4), 1936: 29(1-4), 1937: 30(1-4), 1938: 31(1-4), 1939: 32(1-4), 1940: 33(1-4), 1941: 34(1-4), 1942: 35(1-4), 1943: 36(1-4), 1944: 37(1-4), 1945: 38(1-4), 1946: 39(1-4), 1947: 40(1-4), 1948: 41(1-4), 1949: 42(1-4), 1950: 43(1-4), 1951: 44(1-4), 1952: 45(1-4), 1953: 46(1-4), 1954: 47(1-4), 1955: 48(1-4), 1956: 49(1-4), 1957: 50(1-4), 1958: 51(1-4), 1959: 52(1-4), 1960: 53(1-4), 1961: 54(1-4), 1962: 55(1-4), 1963: 56(1-4), 1964: 57(1-4), 1965: 58(1-4), 1966: 59(1-3), 1967: 60(1-3), 1968: 61(1-3), 1969: 62(1-3), 1970: 63(1-3), 1971: 64(1-3), 1972: 65(1-3), 1973: 66(1-3), 1974: 67(1-3), 1975: 68(1-4), 1976: 69(1-3), 1977: 70(1-3), 1978: 71(1-3), 1979: 72(1-3), 1980: 73(1-3), 1981: 74(1-3), 1982: 75(1-3), 1983: 76(1-3), 1984: 77(1-2), 1985: 78(1-4), 1986: 79(1-3), 1987: 80(1-3), 1988: 81(1-3), 1989: 82(1-3), 1990: 83(1-4)
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
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101, 103 to 108
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 2008: 101(1-12), 2009: 102(1-12), 2010: 103(1-12), 2011: 104(1-12), 2012: 105(1-12), 2013: 106(1-12), 2014: 107(1-12), 2015: 108(1-12), 2016: 109(1-12), 2017: 110(1-12), 2018: 111(1-12), 2019: 112(1-12), 2020: 113(1-12), 2021: 114(1-12), 2022: 115(1-12), 2023: 116(1-2)
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CLOCKSS Archive
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In Progress
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2026-02-09
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101, 109 to 118
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LOCKSS Archive
|
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In Progress
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2026-02-09
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118
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 2025: 118(s_1, 3-11)
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