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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 8); 2 (, 1 to 8); 3 (, 4); 4 (, 1 to 3); 5 (, 1 to 4, 6 to 8); 6 (, 1 to 8); 7 (, 1 to 8); 8 (, 1 to 8); 9 (, 1 to 8); 10 (, 1 to 4, 7, 8); 11 (, 1 to 8); 12 (, 1 to 4); 13 (, 1 to 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 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 6, 8 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 8, 10 to 12); 55 (, 1 to 7, 9 to 11); 56 (, 1 to 12); 57 (, 1 to 6, 8 to 10, 12); 58 (, 1 to 5, 7, 9 to 12); 59 (, 1 to 12); 60 (, 1 to 7, 9, 10, 12); 61 (, 1 to 12); 62 (, 1 to 8, 10, 11); 63 (, 1 to 4, 12); 64 (, 1, 2); 1952; 1953; 1954; 1955; 1956; 1957; 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; 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 46
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Portico
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Preserved
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2026-02-12
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Preserved : 1952/1953: 1(1-8), 1954/1955: 2(1-8), 1956: 3(1-4), 1957/1958: 4(1-8), 1959/1960: 5(1-8), 1961/1962: 6(1-8), 1963/1964: 7(1-8), 1965/1966: 8(1-8), 1967/1968: 9(1-8), 1969/1970: 10(1-8), 1971/1972: 11(1-8), 1973: 12(1-4), 1974: 13(1-4), 1975: 14(1-4), 1976: 15(1-4), 1977: 16(1-4), 1978: 17(1-4), 1979: 18(1-4), 1980: 19(1-4), 1981: 20(1-4), 1982: 21(1-4), 1983: 22(1-4), 1984: 23(1-4), 1985: 24(1-4), 1986: 25(1-4), 1987: 26(1-6), 1988: 27(1-6), 1989: 28(1-6), 1990: 29(1-6), 1991: 30(1-6), 1992: 31(1-12), 1993: 32(1-12), 1994: 33(1-12), 1995: 34(1-12), 1996: 35(1-12), 1997: 36(1, 3-12), 1998: 37(1, 3-12), 1999: 38(1-12), 2000: 39(1-4, 6-9, 11-12), 2001: 40(1-12), 2002: 41(1-12), 2003: 42(1-12), 2004: 43(1-12), 2005: 44(1-12), 2006: 45(1-12), 2007: 46(1-12), 2008: 47(1-12), 2008/2009: 48(1-12), 2009/2010: 49(1-12), 2010/2011: 50(1-12), 2011/2012: 51(1-12), 2012/2013: 52(1-12), 2013/2014: 53(1-12), 2014/2015: 54(1-12), 2015/2016: 55(1-12), 2016/2017: 56(1-12), 2018: 57(1-12), 2019: 58(1-12), 2020: 59(1-12), 2021: 60(1-12, SI), 2022: 61(1-2, SI2, s_2-12, SI), 2023: 62(1-2, SI2, s_2-3, SI3, s_3-12, SI), 2024: 63(1-2, SI2, s_2-12, SI), 2025: 64(1-12, SI), 2026: 65(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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44, 47, 49 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 54
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CLOCKSS Archive
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In Progress
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2026-02-09
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55 to 64
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LOCKSS Archive
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In Progress
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2026-02-09
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64
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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 to 9, 11, 12); 6 (SI, 1 to 9, 11, 12); 42 (6); 45 (8); 46 (suppl_1, 1 to 5, 8, 9, 11, 12); 47 (suppl_1, 1 to 9, 11, 12); 48 (suppl_3, 1 to 9, 11, 12); 49 (suppl_1, 1 to 9, 11, 12); 51 (suppl_1, 1 to 9, 11, 12); 52 (suppl_1, 1 to 9, 11, 12); 53 (suppl_1, 1 to 9, 11, 12); 54 (suppl_1, 1 to 9, 11, 12); 55 (suppl_1, 1 to 9, 11, 12); 56 (suppl_4, 1 to 9, 11, 12); 57 (Supplement_8, 1 to 9, 11, 12); 58 (Supplement_2, 1 to 9, 11, 12); 59 (Supplement_1, 1 to 9, 11, 12); 61 (SI, 1 to 9, 11, 12); 62 (SI2, 1 to 5, 7 to 9, 11, 12); 63 (SI2, 1 to 9, 12); 64 (Supplement_2, 1 to 8)
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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 to 9, 11, 12); 6 (SI, 1 to 9, 11, 12); 42 (6); 45 (8); 46 (suppl_1, 1 to 5, 8, 9, 11, 12); 47 (suppl_1, 1 to 9, 11, 12); 48 (suppl_3, 1 to 9, 11, 12); 49 (suppl_1, 1 to 9, 11, 12); 51 (suppl_1, 1 to 9, 11, 12); 52 (suppl_1, 1 to 9, 11, 12); 53 (suppl_1, 1 to 9, 11, 12); 54 (suppl_1, 1 to 9, 11, 12); 55 (suppl_1, 1 to 9, 11, 12); 56 (suppl_4, 1 to 9, 11, 12); 57 (suppl_1, 1 to 9, 11, 12); 58 (Supplement_2, 1 to 9, 11, 12); 59 (Supplement_1, 1 to 9, 11, 12); 61 (SI, 1 to 9, 11, 12); 62 (SI2, 1 to 5, 7 to 9, 11, 12); 63 (SI2, 1 to 9, 12); 64 (Supplement_2, 1 to 9)
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British Library
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Preserved
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2019-09-18
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Preserved : 53 (1 to 8; 11 to 12; S2), 54 (1 to 5; 7 to 8; 10 to 12), 55 (1 to 2; 4 to 11; S2), 56 (1 to 4; 8; 11; S1 to S4), 57 (2; 5 to 10; S4 to S8), 58 (1; 3)
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