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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 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 3); 18 (, 1 to 3); 19 (, 1 to 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1, 2); 35 (, 5); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66 (, 1 to 3); 67 (, 1 to 3); 68 (, 1 to 3); 69 (, 1, 3); 70 (, 2, 3); 71 (, 1 to 3); 72 (, 1 to 3); 73 (, 1 to 3); 74 (, 1 to 3); 75 (, 1 to 3); 76 (, 1 to 3); 77 (, 1 to 3); 78 (, 2, 3); 79 (, 1, 2); 1947; 1948; 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; 1981; 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 : 1947/1948: 1(1-4), 1948/1949: 2(1-4), 1949/1950: 3(1-4), 1950/1951: 4(1-4), 1951/1952: 5(1-3), 1952/1953: 6(1-3), 1953/1954: 7(1-3), 1954/1955: 8(1-3), 1955/1956: 9(1-3), 1956/1957: 10(1-3), 1957/1958: 11(1-3), 1958/1959: 12(1-3), 1959/1960: 13(1-3), 1960/1961: 14(1-3), 1961/1962: 15(1-3), 1962/1963: 16(1-3), 1963/1964: 17(1-3), 1964/1965: 18(1-3), 1965/1966: 19(1-3), 1966/1967: 20(1-3), 1967: 21(1-3), 1968: 22(1-3), 1969: 23(1-3), 1970: 24(1-3), 1971: 25(1-3), 1972: 26(1-3), 1973: 27(1-3), 1974: 28(1-3), 1975: 29(1-3), 1976: 30(1-3), 1977: 31(1-3), 1978: 32(1-3), 1979: 33(1-2), 1980: 34(1-3), 1981: 35(1-3, 5), 1982: 36(1-3), 1983: 37(1-3), 1984: 38(1-3), 1985: 39(1-3), 1986: 40(1-3), 1987: 41(1-3), 1988: 42(1-3), 1989: 43(1-3), 1990: 44(1-3), 1991: 45(1-3), 1992: 46(1-3), 1993: 47(1-3), 1994: 48(1-3), 1995: 49(1-3), 1996: 50(1-3), 1997: 51(1-3), 1998: 52(1-3), 1999: 53(1-3), 2000: 54(1-3), 2001: 55(1-3), 2002: 56(1-3), 2003: 57(1-3), 2004: 58(1-3), 2005: 59(1-3), 2006: 60(1-3), 2007: 61(1-3), 2008: 62(1-3), 2009: 63(1-3), 2010: 64(1-3), 2011: 65(1-3), 2012: 66(1-3), 2013: 67(1-3), 2014: 68(1-3), 2015: 69(1-3), 2016: 70(1-3), 2017: 71(1-3), 2018: 72(1-3), 2019: 73(1-3), 2020: 74(1-3), 2021: 75(1-3), 2022: 76(1-3), 2023: 77(1-3), 2024: 78(1-2), 2025: 79(1-3)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 78
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 79
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LOCKSS Archive
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In Progress
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2026-02-09
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79
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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 : 6 (2, 3); 7 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (sup1, 1 to 3); 71 (sup1, 1 to 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (S1, 1 to 3); 76 (1 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1)
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Library of Congress
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Preserved
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2025-04-07
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64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (sup1, 1 to 3); 70 (1 to 3); 71 (sup1, 1 to 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (S1, 1 to 3); 76 (1 to 3); 77 (1 to 3); 78 (1 to 3)
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