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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 3); 5 (, 1 to 3); 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 to 4); 14 (, 1, 2, 4); 15 (, 1 to 4, 5-6); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4, 12); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1, 3, 4); 25 (, 1 to 4); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 4); 32 (, 1 to 5); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 38 (, 1 to 6); 39 (, 1-2); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 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 8); 56 (, 1 to 8); 57 (, 1-2, 3-4, 5-6, 7-8); 58 (, 1 to 8); 59 (, 1 to 6, 7-8); 60 (, 1 to 8); 61 (, 1 to 8); 62 (, 1, 02, 03, 04, 5 to 8); 63 (, 1 to 8); 64 (, 1 to 8); 65 (, 1 to 8); 66 (, 1 to 8); 67 (, 1 to 8); 68 (, 1 to 8); 69 (, 1 to 8); 70 (, 1 to 8); 71 (, 1 to 8); 72 (, 1 to 8); 73 (, 1 to 8); 74 (, 1 to 8); 75 (, 2 to 8); 76 (, 1 to 5); 125 (, 5); 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; 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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42 to 61
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 44(2), 2000: 51(S 1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 59(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 60(S 2, 8), 2010: 61(1-8), 2011: 62(1-8), 2012: 63(1, S 1, 3-8), 2013: 64(1-8), 2013/2014: 65(1-8), 2014/2015: 66(1, S 1, 2-5)
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LOCKSS Archive
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Preserved
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2026-02-09
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43 to 75
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 43 to 76
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LOCKSS Archive
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In Progress
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2026-02-09
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76
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 48(1-6), 1998: 49(1-6), 1999: 50(1-6), 2000: 51(1-6), 2001: 52(1, 4-6), 2002: 53(1-6), 2003: 54(1-6), 2004: 55(1-8), 2005: 56(1-8), 2006: 57(1-8), 2007: 58(1-8), 2007/2008: 59(1-8), 2008/2009: 60(1, Suppl 1, 2, Suppl 2, 3, Suppl 3, 4, Suppl 4, Suppl 5, Suppl 7), 2010: 61(1-8), 2011: 62(1-8), 2012: 63(1-8), 2013: 64(1-8), 2014: 65(1-8), 2015: 66(1-8), 2016: 67(1-8), 2017: 68(1-8), 2018: 69(1-8), 2019: 70(1-8), 2020: 71(1-8), 2021: 72(1-8), 2022: 73(1-8), 2023: 74(1-8), 2024: 75(1-8), 2025: 76(1-8), 2026: 77(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 : 5 (2 to 6); 6 (sup1, 1 to 8); 7 (1 to 8); 48 (1 to 6); 49 (1 to 6); 51 (sup1, 1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 8); 56 (1 to 8); 57 (1-2, 3-4, 5-6, 7-8); 58 (1 to 8); 59 (1 to 6, 7-8); 61 (1 to 8); 62 (1 to 8); 63 (sup1, 1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (sup1, 1 to 8); 67 (1 to 8); 68 (1 to 8); 69 (1 to 8); 71 (1 to 8); 72 (1 to 8); 73 (1 to 8); 74 (1 to 6, 8); 75 (1 to 8); 76 (1, 3)
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Library of Congress
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Preserved
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2025-04-07
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61 (1 to 8); 62 (1 to 8); 63 (sup1, 1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (sup1, 1 to 8); 67 (1 to 8); 68 (1 to 8); 69 (1 to 8); 70 (1 to 4, 6 to 8); 71 (1 to 8); 72 (1 to 8); 73 (1 to 8); 74 (1 to 8); 75 (1 to 8)
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