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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, II); II; 3 (1, II); 4; V; VII; VIII (1 to 4); IX (, 1 to 4); X (, 1 to 4); XI (, 1 to 4); XII (, 1 to 4); XIII (, 1 to 4); XIV (, 1 to 4); XV (, 1 to 4); XVI (, 1 to 4); XVII (, 1 to 4); XVIII (, 1 to 4); XIX (, 1 to 4); 20 (, 1 to 4); XXI (, 1 to 4); XXII (, 1 to 4); XXIII (, 1 to 4); XXIV (, 1 to 4); XXV (, 1 to 4); XXVI (, 1 to 4); XXVII (, 1 to 4); XXVIII (, 1 to 4); XXIX (, 1 to 4); XXX (, 1 to 4); XXXI (, 1, 2); XXXII (, 1 to 4); XXXIII (, 1 to 4); XXXIV (, 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, 3, 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); XLVIII (, 3); 48 (, 1, 2, 4); 49 (, 1 to 4); L (, 1 to 4); LI (, 1 to 4); 52 (, 2 to 4); LII (, 1); LIII (, 1 to 4); LIV (, 1 to 4); LV (, 1 to 4); LVI (, 1 to 4); LVII (, 1 to 4); LVIII (, 1 to 4); LIX (, 1 to 4); LX (, 1 to 4); LXI (, 1 to 4); LXII (, 1 to 4); LXIII (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 4); 83 (, 1, 2, 4); 84 (, 1 to 4); 85 (, 1 to 4); 86 (, 1 to 4); 87 (, 2); 88 (, 1 to 4); 89 (, 1 to 4); 90 (, 1 to 4); 92 (, 1, 2); 1911; 1933; 1934; 1935; 1936; 1937; 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; 1995; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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Internet Archive
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Preserved
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2025-08-08
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1 to 85
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Portico
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Preserved
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2026-02-12
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Preserved : 1934/1939: II(I, III), 1935: 3(1), 1936: 4(II), 1939: VII(I, III), 1940: III(1-3), 1940: VIII(1-3), 1942: X(1-4), 1943: XI(1-4), 1946: XIV(1-4), 1951: XIX(1-2), 1952: XX(1-4), 1954/1959: XXII(1-4), 1955: XXIII(1-4), 1957: XXV(1-4), 1958: XXI(1-4), 1958: XXVI(1-4), 1959: XXVII(1-4), 1962: XXX(1-4), 1963/1966: XXXI(1-4), 1964: XXXII(1-4), 1965: XXXIII(1-4), 1966: XXXIV(1-4), 1967: XXXV(1-4), 1968: XXXVI(1-4), 1969: XXXVII(1-4), 1970: XXXVIII(1-4), 1971: XXXIX(1-4), 1972: XL(1-2, 4), 1973/1976: XLI(1-4), 1976: XLIV(1-4), 1977: XLV(4), 1981: XLIX(1-4), 1983: LI(2), 1984: LII(1), 1992: LX(4), 2008: 76(1-4), 2009: 77(1-4), 2010: 78(1-2, 4), 2010/2011: 79(1-4), 2012: 80(1-4), 2013: 81(2-4), 2014: 82(1-4), 2015: 83(1-4), 2015/2016: 84(1-4), 2017: 85(1, 4), 2018: 86(2-4), 2019: 87(3-4), 2020: 88(1-4), 2021: 89(1-4), 2022: 90(1-4), 2023: 91(1-4), 2024: 92(1-4), 2025: 93(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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73 to 92
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CLOCKSS Archive
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Preserved
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2026-02-09
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76 to 83, 89
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CLOCKSS Archive
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In Progress
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2026-02-09
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84 to 88, 90 to 93
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LOCKSS Archive
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In Progress
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2026-02-09
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93
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 74(1-4), 2007: 75(1-4)
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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); I (II); II; 3 (1, II); IV (2); 4 (I); V; VII; VIII (1-4); IX (1-4); X (1-4); XI (1-4); XII (1-4); XIII (1-4); XIV (1-4); XV (1-4); XVI (1-4); XVII (1-4); XVIII (1-4); XIX (1-4); 20 (1-4); XXI (1-4); XXII (1-4); XXIV (1-4); XXV (1-4); XXVI (1-4); XXVIII (1-4); XXIX (1-4); XXX (1-4); XXXI (1, 2); XXXII (1-4); XXXIII (1-4); XXXIV (1-4); XXXV (1-4); XXXVI (1, 2); XXXIX (1-4); XL (1, 3, 4); XLI (1-4); XLII (1-4); XLIII (1-4); XLIV (1-4); XLV (1-4); XLVI (1-4); XLVII (1-4); XLVIII (1-4); XLIX (1-4); L (1-4); LI (1-4); 52 (2-4); LII (1); LIII (2-4); LIV (1-4); LV (1-4); LVI (1-4); LVII (1-4); LVIII (1-4); LIX (1-4); LX (1-4); LXI (1-4); LXII (1-4); LXIII (1-4)
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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 : 8 (1 to 4); 9 (1, 2, 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 3); 92 (1 to 4); 93 (1)
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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 : 8 (1 to 4); 9 (1, 2, 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 3); 92 (1 to 4); 93 (1, 2)
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British Library
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Preserved
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2019-09-18
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Preserved : 82 (1 to 2; 4), 83 (1 to 2; 4), 84 (1 to 3), 85 (1 to 2), 86 (2 to 4)
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