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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 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 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 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 8); 44 (, 1 to 8); 45 (, 1 to 8); 46 (, 1 to 8); 47 (, 1 to 8); 48 (, 1 to 8); 49 (, 1 to 8); 50 (, 1 to 8); 51 (, 1 to 7); 87 (, 8); 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; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013
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Internet Archive
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Preserved
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2025-08-08
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1 to 47
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Portico
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Preserved
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2026-02-12
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Preserved : 1974: 12(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 24(2, 5), 1987: 25(4), 1988: 26(1, 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 27(2, 6), 1990: 28(3), 1991: 29(1-2), 1992: 30(3, 5)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 31(5), 1994: 32(S 1, 3-6), 1995: 33(1, 4-5), 1996: 34(2, 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 35(4-6), 1998: 36(1, 4), 1999: 37(5-6), 2000: 38(1, S 1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 40(3), 2003: 41(5)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 42(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 44(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 46(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 47(8), 2009/2010: 48(1-8), 2011: 49(1, S 1, 2-8), 2012: 50(1-8), 2013: 51(1-8)
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 36(1-6), 1999: 37(2-6), 2000: 38(1-6), 2001: 39(1-6), 2002: 40(1-6), 2003: 41(1-6), 2004: 42(2, 5-6), 2005: 43(1, 3-6), 2006: 44(2-3, 5-6), 2007: 45(1-2, 4, 6), 2008: 46(1-4), 2009: 47(1-3), 2010: 48(1-5, 7), 2011: 49(1-7), 2012: 50(1, 3-4, 6), 2013: 51(1-2, 4, 6), 2013/2014: 52(1-8), 2014/2015: 53(1-8), 2015/2016: 54(1-8), 2016/2017: 55(1-8), 2018: 56(1-8), 2019: 57(1-8), 2020: 58(1-8), 2021: 59(1-12), 2021/2022: 60(1-12), 2023: 61(1-12), 2024: 62(1-12), 2025: 63(1-12), 2026: 64(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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46 to 62
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CLOCKSS Archive
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In Progress
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2026-02-09
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46, 54, 55, 57 to 63
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CLOCKSS Archive
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Preserved
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2026-02-09
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47 to 53, 56
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LOCKSS Archive
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In Progress
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2026-02-09
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63
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CLOCKSS Archive
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Preserved
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2026-02-09
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46 to 51
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 35(1-6), 1998: 36(1-6), 1999: 37(1-6), 2000: 38(1-6), 2001: 39(1-6), 2002: 40(1-6), 2003: 41(1-6), 2004: 42(1-6), 2005: 43(1-8), 2006: 44(1-8), 2007: 45(1-8), 2007/2008: 46(1-8), 2008/2009: 47(1-8), 2009: 47 Suppl 1
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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 : ; 5 (1, 3, 4, 6 to 8); 6 (Supplement_1, 1 to 9, 11, 12); 45 (1, 2, 4, 6 to 8); 46 (1 to 4, 7); 47 (Supplement_1, 1 to 3, 6, 8); 48 (1 to 5, 7, 8); 49 (Supplement_1, 1 to 8); 51 (1, 2, 4 to 8); 52 (1 to 3, 5 to 8); 53 (1, 3 to 8); 54 (1, 3, 6, 7); 55 (2 to 8); 56 (suppl_1, 1 to 8); 57 (Supplement_1, 1 to 8); 58 (1 to 8); 59 (1 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 : ; 5 (1, 3, 4, 6 to 8); 6 (Supplement_1, 1 to 9, 11, 12); 45 (1, 2, 4, 6 to 8); 46 (1 to 4, 7); 47 (Supplement_1, 1 to 3, 6, 8); 48 (1 to 5, 7, 8); 49 (Supplement_1, 1 to 8); 51 (1, 2, 4 to 8); 52 (1 to 3, 5 to 8); 53 (1, 3 to 8); 54 (1, 3, 6, 7); 55 (2 to 8); 56 (suppl_1, 1 to 8); 57 (Supplement_1, 1 to 8); 58 (1 to 8); 59 (1 to 9, 11, 12)
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British Library
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Preserved
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2019-09-18
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Preserved : 49 (7), 50 (6), 51 (1 to 8), 52 (1 to 8), 53 (1 to 2; 4 to 5; 7 to 8), 54 (2; 4 to 8), 55 (8), 56 (7; S2), 57 (1; 3; S2)
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