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Scholars Portal
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Preserved
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2025-09-02
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Preserved : os-11 (1); os-19 (, 1); os-6 (, 1); os-17 (, 1); os-18 (, 1); os-10 (, 1); os-15 (, 1); os-20 (, 1); os-8 (, 1); os-4 (, 1); os-5 (, 1); os-7 (, 1); os-2 (, 1); os-13 (, 1); os-16 (, 1); os-12 (, 1); os-14 (, 1); os-1 (, 1); os-3 (, 1); os-9 (, 1); 1 (, 1); 2 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1 to 4); 17 (, 1); 18 (, 1); 19 (, 1); 20 (, 1); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1, 2, 4); 39 (, 1, 3, 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1); 43 (, 1, 2); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 2 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4, 193 to 196); 50 (, 1, 197 to 200); 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 3); 68 (, 1 to 4); 69 (, 1 to 3); 70 (, 1, 2); 71 (, 1 to 4); 72 (, 1-2, 3, 4); 73 (, 1 to 4); 74 (, 1 to 3); 75 (, 4); 76 (, 1); 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 1943; 1944; 1945; 1946; 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; 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 64
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Portico
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Preserved
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2026-02-12
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Preserved : 1930: Original Series, 1(1), 1931: Original Series, 2(1), 1932: Original Series, 3(1), 1933: Original Series, 4(1), 1934: Original Series, 5(1), 1935: Original Series, 6(1), 1936: Original Series, 7(1), 1937: Original Series, 8(1), 1938: Original Series, 9(1), 1939: Original Series, 10(1), 1940: Original Series, 11(1), 1941: Original Series, 12(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1943: Original Series, 14(1), 1944: Original Series, 15(1), 1945: Original Series, 16(1), 1946: Original Series, 17(1), 1947: Original Series, 18(1), 1948: Original Series, 19(1), 1949: Original Series, 20(1), 1950: 1(1), 1951: 2(1), 1952: 3(1), 1953: 4(1), 1954: 5(1), 1955: 6(1), 1956: 7(1), 1957: 8(1), 1958: 9(1), 1959: 10(1), 1960: 11(1), 1961: 12(1), 1962: 13(1), 1963: 14(1), 1964: 15(1), 1965: 16(1-4), 1966: 17(1), 1967: 18(1), 1968: 19(1), 1969: 20(1), 1970: 21(1-4), 1971: 22(1-4), 1972: 23(1-4), 1973: 24(1), 1974: 25(1), 1975: 26(1), 1976: 27(1-4), 1977: 28(1-4), 1978: 29(1-4), 1979: 30(1-4), 1980: 31(1-4), 1981: 32(1-4), 1982: 33(1-4), 1983: 34(1-4), 1984: 35(1-4), 1985: 36(1-4), 1986: 37(1-4), 1987: 38(1-4), 1988: 39(1-4), 1989: 40(1-4), 1990: 41(1-4), 1991: 42(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 43(1-4), 1993: 44(1-4), 1994: 45(1-4), 1995: 46(1-4), 1996: 47(1-4), 1997: 48(1-2, 4), 1998: 49(1-4), 2000: 50(1), 2000: 51(2-4), 2001: 52(1-4), 2002: 53(1-4), 2003: 54(1-4), 2004: 55(1-4), 2005: 56(1-4), 2006: 57(1-4), 2007: 58(1-4), 2008: 59(1-4), 2008/2009: 60(1-4), 2009/2010: 61(1-4), 2009/2010/2011: 62(1-4), 2010/2011/2012: 63(1-4), 2012/2013: 64(1-4), 2014: 65(1-4), 2014/2015: 66(1-4), 2016: 67(1-4), 2017: 68(1-4), 2018: 69(1-4), 2019: 70(1-4), 2020: 71(1-4), 2021: 72(1-4), 2022: 73(1-4), 2023: 74(1-4), 2024: 75(1-4), 2025: 76(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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56 to 60, 62 to 75
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CLOCKSS Archive
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Preserved
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2026-02-09
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59 to 66
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CLOCKSS Archive
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In Progress
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2026-02-09
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67 to 76
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LOCKSS Archive
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In Progress
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2026-02-09
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76
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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-1 (1); os-16; os-15; os-8; os-20; os-10; os-18; os-11; os-9; os-14; os-3; os-19; os-2; os-17; os-5; os-4; os-12; os-13; os-6; os-7; 1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16 (2-4); 17 (1); 18; 19; 20; 21 (2-4); 22 (1-4); 23 (1-4); 24 (1); 25; 26; 27 (2-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1); 43 (2); 44 (1-4); 45 (1-4); 46 (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 : 65 (1 to 4), 66 (1; 3 to 4), 67 (1 to 3), 68 (1 to 3), 69 (2 to 3)
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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); 57 (1 to 4); 58 (1 to 4); 59 (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 (1 to 4); 71 (1 to 4); 72 (1-2, 3, 4); 73 (1 to 4); 74 (1, 3, 4); 75 (1 to 4); 76 (1)
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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 (1 to 4); 7 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (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 (1 to 4); 71 (1 to 4); 72 (1-2, 3, 4); 73 (1 to 4); 74 (1, 3, 4); 75 (1 to 4); 76 (1)
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