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Scholars Portal
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Preserved
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2025-09-02
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Preserved : os-8 (1); os-5 (, 1); os-4 (, 1); os-1 (, 1); os-3 (, 1); os-6 (, 1); os-7 (, 1); os-2 (, 1); 1 (, 1, 2); 2 (, 1, 2); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); VII (, 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 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 4); 38 (, 1 to 3); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 50 (, 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 2 to 4); 70 (, 1 to 4); 71 (, 1, 2, 4); 72 (, 2 to 4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 77 (, 1); 1938; 1939; 1940; 1941; 1942; 1945; 1947; 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; 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 65
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Portico
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Preserved
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2026-02-12
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Preserved : 1938: Original Series, 1(1), 1939: Original Series, 2(1), 1940: Original Series, 3(1), 1940: Original Series, 4(1), 1941: Original Series, 5(1), 1942: Original Series, 6(1), 1945: Original Series, 7(1), 1947: Original Series, 8(1), 1949: 1(1-2), 1955: II(1-3), 1950: 2(1-2), 1951: 3(1-3), 1952: 4(1-3), 1953: 5(1-3), 1954: 6(1-3), 1955: VII(1-3), 1956: 8(1-3), 1957: 9(1-3), 1958: 10(1-3), 1959: 11(1-3), 1960: 12(1-3), 1961: 13(1-3), 1962: 14(1-3), 1963: 15(1-3), 1964: 16(1-3), 1965: 17(1-3), 1966: 18(1-3), 1967: 19(1-3), 1968: 20(1-3), 1969: 21(1-3), 1970: 22(1-3), 1971: 23(1-3), 1972: 24(1-3), 1973: 25(1-3), 1974: 26(1-3), 1975: 27(1-3), 1976: 28(1-3), 1977: 29(1-3), 1978: 30(1-3), 1979: 31(1-3), 1980: 32(1-3), 1981: 33(1-3), 1982: 34(1-3), 1983: 35(1-3, S), 1984: 36(1-3, S), 1985: 37(1-4), 1986: 38(1-3, S), 1987: 39(1-4), 1988: 40(1-4), 1989: 41(1), 1990: 42(1-4), 1991: 43(1-4), 1992: 44(1-4), 1993: 45(1-4), 1994: 46(1-4), 1995: 47(1-4), 1996: 48(1-4), 1997: 49(1-4), 1998: 50(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 54(2-4), 2003: 55(1-4), 2004: 56(1-4), 2005: 57(1-4), 2006: 58(1-4), 2007: 59(1-4), 2008: 60(1-4), 2008/2009: 61(1-4), 2009/2010: 62(1-4), 2010/2011: 63(1-4), 2011/2012: 64(1-4), 2012/2013: 65(1-4), 2013/2014: 66(1-4), 2014/2015: 67(1-4), 2015/2016: 68(1-4), 2016/2017: 69(1-4), 2018: 70(1-4), 2019: 71(1-4), 2020: 72(1-4), 2021: 73(1-4), 2022: 74(1-4), 2023: 75(1-4), 2024: 76(1-4), 2025: 77(1-4), 2026: 78(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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57 to 76
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CLOCKSS Archive
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In Progress
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2026-02-09
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60, 68, 69, 71 to 77
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CLOCKSS Archive
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Preserved
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2026-02-09
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61 to 67, 70
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LOCKSS Archive
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In Progress
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2026-02-09
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77
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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 : 6 (1 to 4); 7 (1 to 4); 38 (supp); 58 (1 to 4); 59 (suppl_1, 1 to 4); 61 (suppl_1, 1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (suppl_1, 1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1, 2, 4); 76 (1 to 3); 77 (1, 2)
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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 to 4); 7 (1 to 4); 38 (supp); 58 (1 to 4); 59 (suppl_1, 1 to 4); 61 (suppl_1, 1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (suppl_1, 1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1, 2, 4); 76 (1 to 3); 77 (1 to 4)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : os-4 (1); os-5; os-6; os-7; os-1; os-8; os-2; os-3; 1 (2); 2 (1, 2); 3 (3); 4 (1-3); 5 (1, 3); 6 (1-3); VII (1-3); 8 (1-3); 9 (1, 2); 10 (1-3); 11 (2, 3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-3); 25 (1-3); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (supp, 1-3); 34 (1-3); 35 (supp, 1-3); 36 (supp, 1-3); 37 (1-4); 38 (supp, 1-3); 39 (1-4); 40 (1-4); 41 (1); 42 (2-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4)
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British Library
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Preserved
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2019-09-18
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Preserved : 66 (1 to 2), 67 (1 to 2; 4), 68 (1; 3 to 4), 70 (3 to 4)
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