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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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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 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 to 4); 15 (, 1 to 4); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 5); 19 (, 1 to 7); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 8); 26 (, 1 to 10); 27 (, 1 to 10); 28 (, 1 to 10); 29 (, 1 to 10); 30 (, 2 to 11); 31 (, 1 to 10); 32 (, 1 to 10); 33 (, 1 to 10); 34 (, 1 to 10); 35 (, 1 to 10); 36 (, 1 to 10); 37 (, 1 to 10); 38 (, 1 to 10); 39 (, 1 to 10); 40 (, 1 to 10); 41 (, 1 to 10); 42 (, 1 to 10); 43 (, 1 to 10); 44 (, 1 to 10); 45 (, 1 to 10); 46 (, 1 to 10); 47 (, 1 to 10); 48 (, 1 to 10); 49 (, 1 to 10); 50 (, 1 to 10); 51 (, 1 to 10); 52 (, 1 to 10); 53 (, 1 to 10); 54 (, 1 to 10); 55 (, 1 to 10); 56 (, 1 to 10); 57 (, 1 to 10); 58 (, 1 to 10); 59 (, 1 to 10); 60 (, 1 to 10); 61 (, 1 to 10); 62 (, 1 to 10); 63 (, 1 to 10); 64 (, 1 to 10); 65 (, 1 to 6); 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; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 1961/1962: 1(1-4), 1962/1963: 2(1-4), 1963/1964: 3(1-4), 1964/1965: 4(1-4), 1965/1966: 5(1-4), 1966/1967: 6(1-4), 1967/1968: 7(1-4), 1968/1969: 8(1-4), 1969/1970: 9(1-4), 1970/1971: 10(1-4), 1971/1972: 11(1-4), 1972/1973: 12(1-4), 1973/1974: 13(1-4), 1974/1975: 14(1-4), 1975/1976: 15(1-4), 1976/1977: 16(1-6), 1977/1978: 17(1-6), 1978: 18(1-5), 1979: 19(1-7), 1980: 20(1-6), 1981: 21(1-6), 1982: 22(1-6), 1983: 23(1-6), 1984: 24(1-6), 1985: 25(1-8), 1986: 26(1-10), 1987: 27(1-10), 1988: 28(1-10), 1989: 29(1-10), 1990: 30(s1-11), 1991: 31(1-10), 1992: 32(1-10), 1993: 33(1-10), 1994: 34(1-10), 1995: 35(1-10), 1996: 36(1-10), 1997: 37(1-10), 1998: 38(1-10), 1999: 39(1-10), 2000: 40(1-10), 2001: 41(1-10), 2002: 42(1-10), 2003: 43(1-10), 2004: 44(1-10), 2005: 45(1-10), 2006: 46(1-10), 2007: 47(1-10), 2008: 48(1-10), 2009: 49(1-10), 2010: 50(1-10), 2011: 51(1-10), 2012: 52(1-10), 2013: 53(1, S1, 2, S2, 3-10), 2014: 54(1, S1, 2-10), 2015: 55(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6-10), 2016: 56(1, S1, 2-10), 2017: 57(1, S1, 2, S2, 3, S3, 4-10), 2018: 58(1, S1, 2, S 2, 3, S3, 4-10), 2019: 59(1, S1, 2, S2, 3-10), 2020: 60(1, S1, 2-10), 2021: 61(1, S1, 2-10), 2022: 62(1, S1, 2-10), 2023: 63(1, S1, 2-10), 2024: 64(1, S1, 2-10), 2025: 65(1, S1, 2-10), 2026: 66(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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7, 20, 31 to 66
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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 (1 to 9); 5 (, 1 to 9); 6 (S1, 1 to 9); 37 (1 to 9); 38 (1 to 9); 39 (, 1 to 9); 41 (, 1 to 9); 42 (, 1 to 9); 43 (, 1 to 9); 44 (, 1 to 9); 45 (, 1 to 9); 46 (, 1 to 9); 47 (s1, 1 to 9); 48 (, 1 to 9); 49 (, 1 to 9); 51 (, 1 to 9); 52 (, 1 to 9); 53 (, 1 to 9); 54 (, 1 to 9); 55 (, 1 to 9); 56 (1 to 9); 57 (, 1 to 9); 58 (, 1 to 9); 59 (S1, 1 to 4, 6 to 9); 61 (S1, 1 to 9); 62 (S1, 1 to 9); 63 (S1, 1 to 6, 8, 9); 64 (S1, 1 to 3, 5 to 9); 65 (S1, 1 to 7)
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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 (1 to 9); 5 (, 1 to 9); 6 (S1, 1 to 9); 37 (1 to 9); 38 (1 to 9); 39 (, 1 to 9); 41 (, 1 to 9); 42 (, 1 to 9); 43 (, 1 to 9); 44 (, 1 to 9); 45 (, 1 to 9); 46 (, 1 to 9); 47 (s1, 1 to 9); 48 (, 1 to 9); 49 (, 1 to 9); 51 (, 1 to 9); 52 (, 1 to 9); 53 (, 1 to 9); 54 (, 1 to 9); 55 (, 1 to 9); 56 (1 to 9); 57 (, 1 to 9); 58 (, 1 to 9); 59 (S1, 1 to 4, 6 to 9); 61 (S1, 1 to 9); 62 (S1, 1 to 9); 63 (S1, 1 to 6, 8, 9); 64 (S1, 1 to 3, 5 to 9); 65 (S1, 1 to 9)
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