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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 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 3); 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); 25 (, 1 to 4); 26 (, 1 to 4); 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 12); 39 (, 1 to 10, 11-12); 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 (, 1-2, 3 to 12); 52 (, 1 to 6, 7-8, 9 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 8, 10, 11-12); 58 (, 1 to 5, 7 to 12); 59 (, 1, 2, 5, 7, 9, 11, 12); 60 (, 1 to 3, 7); 61 (, 2, 3, 6 to 8, 11-12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 5, 7 to 11); 65 (, 10 to 12); 66 (, 1, 2); 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 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; 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 54
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Portico
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Preserved
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2026-02-12
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Preserved : 1960: 1(1-3), 1961: 2(1-3), 1962: 3(1-3), 1963: 4(1-3), 1964: 5(1-3), 1965: 6(1-3), 1966: 7(1-3), 1967: 8(1-3), 1968: 9(1-3), 1969: 10(1-3), 1970: 11(1-3), 1971: 12(1-3), 1972: 13(1-3), 1973: 14(1-3), 1974: 15(1-3), 1975: 16(1-3), 1976: 17(1-4), 1977: 18(1-4), 1978: 19(1-4), 1979: 20(1-4), 1980: 21(1-4), 1981: 22(1-4), 1982: 23(1-4), 1983: 24(1-4), 1984: 25(1-4), 1985: 26(1-4), 1986: 27(1-6), 1987: 28(1-6), 1988: 29(1-6), 1989: 30(1-6), 1990: 31(1-6), 1991: 32(1-6), 1992: 33(1-6), 1993: 34(1-6), 1994: 35(1-6), 1995: 36(1-6), 1996: 37(1-6), 1997: 38(1-12), 1998: 39(1-10), 1999: 40(1-12), 2000: 41(1, 3-12), 2001: 42(1-12), 2002: 43(1-12), 2003: 44(1-12), 2004: 45(1-12), 2005: 46(1-12), 2006: 47(1-12), 2007: 48(1-12), 2007/2008: 49(1-12), 2009: 50(1-12), 2010: 51(1-12), 2010/2011: 52(1-12), 2011/2012: 53(1-12), 2012/2013: 54(1-12), 2014: 55(1-12), 2015: 56(1-12), 2016: 57(1-12), 2017: 58(1-12), 2018: 59(1-12), 2019: 60(1-12), 2020: 61(1-12), 2021: 62(1-12), 2022: 63(1-12), 2023: 64(1-12), 2024: 65(1-12), 2025: 66(1-12), 2026: 67(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 65
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CLOCKSS Archive
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Preserved
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2026-02-09
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49 to 56
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CLOCKSS Archive
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In Progress
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2026-02-09
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57 to 66
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LOCKSS Archive
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In Progress
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2026-02-09
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66
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 61 (1, 9, 10); 2020
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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 : 4 (3); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 36 (1 to 6); 37 (1, 4 to 6); 38 (1 to 9, 11, 12); 41 (1, 7 to 9, 12); 42 (1 to 6, 8, 11); 43 (1, 2, 5 to 9, 11, 12); 44 (1 to 5, 7, 8, 11, 12); 45 (1 to 4, 6, 8, 9, 12); 46 (6, 8, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1-2, 3 to 9, 11, 12); 52 (1 to 6, 7-8, 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11-12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9)
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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 : 4 (3); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 38 (1); 41 (7 to 9, 12); 42 (1 to 4, 6, 8, 11); 43 (1, 2, 5 to 9, 11, 12); 44 (1 to 5, 7, 8, 11, 12); 45 (1 to 4, 6, 8, 9, 12); 46 (6, 8, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1-2, 3 to 9, 11, 12); 52 (1 to 6, 7-8, 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11-12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 8)
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British Library
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Preserved
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2019-09-18
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Preserved : 54 (1), 55 (1 to 8; 10 to 12), 56 (1 to 4; 6 to 12), 57 (5 to 8; 10; 11-12), 58 (1; 4 to 5; 11), 59 (3 to 5; 7; 9), 60 (1)
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