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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 21 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20, 21-22, 23-24); 22 (, 1 to 12, 13-14, 15 to 22, 23-24); 23 (, 1 to 8, 9-10, 11 to 14, 15-16, 17-18, 19 to 22, 23-24); 24 (, 1 to 12); 25 (, 1 to 7, 8-9, 10 to 12); 26 (, 1 to 7, 8-9, 10 to 12); 27 (, 1 to 7, 8-9, 10 to 12); 28 (, 1 to 7, 8-9, 10 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 4, 5-6, 7, 8, 9-10, 11 to 24); 40 (, 1-2, 3 to 8, 9-10, 11 to 20, 21-22, 23, 24); 41 (, 1-2, 3, 4, 5-6, 7 to 24); 42 (, 1 to 8, 9-10, 11 to 24); 43 (, 1-2, 3 to 24); 44 (, 1-2, 3 to 24); 45 (, 1 to 8, 9-10, 11 to 24); 46 (, 1 to 24); 47 (, 1 to 24); 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 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 1 to 12); 67 (, 1 to 12); 68 (, 1-2, 3 to 12); 69 (, 1-2, 3 to 12); 70 (, 1-2, 3 to 12); 71 (, 1-2, 3 to 12); 72 (, 1-2, 3 to 12); 73 (, 1-2, 3 to 7); 74 (, 4 to 12); 75 (, 3 to 12); 76 (, 1-2, 3 to 12); 77 (, 1-2, 3 to 12); 78 (, 1-2, 3 to 12); 79 (, 1-2, 3 to 12); 80 (, 1-2, 3 to 12); 81 (, 1-2, 3 to 12); 82 (, 1-2, 3 to 8, 10 to 12); 83 (, 1‐2, 3 to 12); 84 (, 4 to 12); 85 (, 1‐2, 3 to 12); 86 (, 1‐2, 3 to 12); 87 (, 1‐2, 3 to 12); 88 (, 1‐2, 3 to 12); 89 (, 1‐2, 3 to 7, 9 to 12); 90 (, 1-2, 3 to 12); 91 (, 1-2, 3 to 12); 92 (, 1-2, 3 to 12); 93 (, 1-2, 3 to 12); 94 (, 1-2, 3 to 12); 95 (, 1-2, 3 to 12); 96 (, 1-2, 3 to 12); 97 (, 1-2, 3 to 7); 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; 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 : 1949: 21(1-24), 1950: 22(1-24), 1951: 23(1-24), 1952: 24(1-12), 1953: 25(1-12), 1954: 26(1-12), 1955: 27(1-12), 1956: 28(1-12), 1957: 29(1-12), 1958: 30(1-12), 1959: 31(1-12), 1960: 32(1-12), 1961: 33(1-12), 1962: 34(1-12), 1963: 35(1-12), 1964: 36(1-12), 1965: 37(1-12), 1966: 38(1-12), 1967: 39(1-24), 1968: 40(1-24), 1969: 41(1-24), 1970: 42(1-24), 1971: 43(1-24), 1972: 44(1-24), 1973: 45(1-24), 1974: 46(1-24), 1975: 47(1-24), 1976: 48(1-12), 1977: 49(1-12), 1978: 50(1-12), 1979: 51(1-12), 1980: 52(1-12), 1981: 53(1-12), 1982: 54(1-12), 1983: 55(1-12), 1984: 56(1-12), 1985: 57(1-12), 1986: 58(1-12), 1987: 59(1-12), 1988: 60(1-12), 1989: 61(1-12), 1990: 62(1-12), 1991: 63(1-12), 1992: 64(1-12), 1993: 65(1-12), 1994: 66(1-12), 1995: 67(1-12), 1996: 68(1-12), 1997: 69(1-12), 1998: 70(1-12), 1999: 71(1-12), 2000: 72(1-12), 2001: 73(1-12), 2002: 74(1-12), 2003: 75(1-12), 2004: 76(1-12), 2005: 77(1-12), 2006: 78(1-12), 2007: 79(1-12), 2008: 80(1-12), 2009: 81(1-12), 2010: 82(1-12), 2011: 83(1-12), 2012: 84(1-12), 2013: 85(1-12), 2014: 86(1-12), 2015: 87(1-12), 2016: 88(1-12), 2017: 89(1-12), 2018: 90(1-12), 2019: 91(1-12), 2020: 92(1-12), 2021: 93(1-12), 2022: 94(1-12), 2023: 95(1-12), 2024: 96(1-12), 2025: 97(1-12)
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CLOCKSS Archive
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Preserved
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2026-02-09
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58, 63 to 74, 77 to 97
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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 : 8 (1‐2, 3 to 9, 11, 12); 9 (1-2, 3 to 9, 11, 12); 72 (1‐2, 3 to 9, 11, 12); 73 (1‐2, 3 to 9, 11, 12); 74 (1‐2, 3 to 9, 11, 12); 75 (1‐2, 3 to 9, 11, 12); 76 (1‐2, 3 to 9, 11, 12); 77 (1‐2, 3 to 9, 11, 12); 78 (1‐2, 3 to 9, 11, 12); 79 (1‐2, 3 to 9, 11, 12); 81 (1‐2, 3 to 9, 11, 12); 82 (1‐2, 3 to 9, 11, 12); 83 (1‐2, 3 to 9, 11, 12); 84 (1‐2, 3 to 9, 11, 12); 85 (1‐2, 3 to 9, 11, 12); 86 (1‐2, 3 to 9, 11, 12); 87 (1‐2, 3 to 9, 11, 12); 88 (1‐2, 3 to 9, 11, 12); 89 (1‐2, 3 to 9, 11, 12); 91 (1-2, 3 to 9, 11, 12); 92 (1-2, 3 to 9, 11, 12); 93 (1-2, 3 to 9, 11, 12); 94 (1-2, 3 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 : 8 (1‐2, 3 to 9, 11, 12); 9 (1-2, 3 to 9, 11, 12); 72 (1‐2, 3 to 9, 11, 12); 73 (1‐2, 3 to 9, 11, 12); 74 (1‐2, 3 to 9, 11, 12); 75 (1‐2, 3 to 9, 11, 12); 76 (1‐2, 3 to 9, 11, 12); 77 (1‐2, 3 to 9, 11, 12); 78 (1‐2, 3 to 9, 11, 12); 79 (1‐2, 3 to 9, 11, 12); 81 (1‐2, 3 to 9, 11, 12); 82 (1‐2, 3 to 9, 11, 12); 83 (1‐2, 3 to 9, 11, 12); 84 (1‐2, 3 to 9, 11, 12); 85 (1‐2, 3 to 9, 11, 12); 86 (1‐2, 3 to 9, 11, 12); 87 (1‐2, 3 to 9, 11, 12); 88 (1‐2, 3 to 9, 11, 12); 89 (1‐2, 3 to 9, 11, 12); 91 (1-2, 3 to 9, 11, 12); 92 (1-2, 3 to 9, 11, 12); 93 (1-2, 3 to 9, 11, 12); 94 (1-2, 3 to 9, 11, 12)
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