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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); IX (, 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 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); XXI (, 1 to 4); XXII (, 1 to 4); XXIII (, 1 to 4); XXIV (, 1 to 4); XXV (, 1 to 4); XXVI (, 1 to 4); XXVII (, 1 to 4); XXVIII (, 1 to 4); XXIX (, 1 to 4); XXX (, 1 to 4); XXXI (, 1 to 4); XXXII (, 1 to 4); XXXIII (, 1 to 4); XXXIV (, 1 to 4); XXXV (, 1 to 4); XXXVI (, 1 to 4); XXXVII (, 1 to 4); XXXIX (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1B, 2 to 4); 49 (, 1 to 4); 51 (, 1 to 4); 52 (, 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 (, 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 5); 70 (, 1 to 5); 71 (, 1 to 5); 72 (, 1 to 5); 73 (, 1 to 5); 74 (, 1 to 5); 75 (, 1 to 5); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 2 to 4); 82 (, 1, 3, 4); 83 (, 1 to 3); 84 (, 2, 3, 04); 85 (, 3, 4); 86 (, 1 to 4); 87 (, 1); 88 (, 3); 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; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1975; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1987; 1988; 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 79
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Portico
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Preserved
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2026-02-12
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Preserved : 1937: 1(1-4), 1938: 2(1-4), 1939: 3(1-4), 1940: 4(1-4), 1941: 5(1-4), 1942: 6(1-4), 1943: 7(1-4), 1944: 8(1-4), 1945: IX(1-4), 1945: 9(1-4), 1946: 10(1-4), 1947: 11(1-4), 1948: 12(1-4), 1949: 13(1-4), 1950: 14(1-4), 1951: 15(1-4), 1952: 16(1-4), 1953: 17(1-4), 1954: 18(1-4), 1955: 19(1-4), 1956: 20(1-2, 4), 1957/1962: XXI(1-4), 1958/1963: XXII(1-4), 1959/1964: XXIII(1-4), 1960: XXIV(1-4), 1960: 24(1-4), 1961: 25(1-4), 1961: XXV(1-4), 1962: 26(1-4), 1962: XXVI(1-4), 1963: XXVII(1-4), 1963: 27(1-4), 1964: 28(1-4), 1964: XXVIII(1-4), 1965: XXIX(1-4), 1966: XXX(1-4), 1967: XXXI(1-4), 1968: XXXII(1-4), 1969: XXXIII(1-4), 1970: 34(1-4), 1970: XXXIV(1-4), 1971: 35(1-4), 1971: XXXV(1-4), 1972: 36(1-4), 1972: XXXVI(1-4), 1973: 37(1-4), 1973: XXXVII(1-4), 1974: 38(1-4), 1975: XXXIX(1-4), 1976: 40(1-4), 1977: 41(1-4), 1978: 42(1-4), 1979: 43(1-4), 1980: 44(1-4), 1981: 45(1-4), 1982: 46(1-4), 1983: 47(1-4), 1984: 48(1, B, 2-4), 1985: 49(1-4), 1986: 50(1-4), 1987: 51(1-4, 4, Part 2), 1988: 52(1-4), 1989: 53(1-4), 1990: 54(1-4), 1991: 55(1-4), 1992: 56(1-4), 1993: 57(1-4), 1994: 58(1-4), 1995: 59(1-4), 1996: 60(1, 3-4), 1997: 61(1-4), 1998: 62(1-4), 1999: 63(1-4), 2000: 64(1-3), 2001: 65(1-3), 2002: 66(1-2), 2003: 67(1-4), 2004: 68(1-4), 2005: 69(1-5), 2006: 70(1-5), 2007: 71(1-5), 2008: 72(1-5), 2009: 73(1-5), 2010: 74(1-2, 5), 2011: 75(1-5), 2011/2012: 76(1-4), 2013: 77(1, S 1, 2-4), 2014: 78(1, S 1, 2-4), 2015: 79(1, S 1, 2-4), 2016: 80(1, S 1, 2-4), 2016/2017: 81(1, S 1, 2-4), 2018: 82(1-4), 2019: 83(1-4), 2020: 84(1, S 1, 2-4), 2021: 85(1, S 1, 2-4), 2022: 86(1, S 1, 2-4), 2023: 87(1, S 1, 2-4), 2024: 88(1-4, SI), 2025: 89(1-3, SI)
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LOCKSS Archive
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Preserved
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2026-02-09
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69 to 88
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CLOCKSS Archive
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Preserved
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2026-02-09
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72 to 79, 82
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CLOCKSS Archive
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In Progress
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2026-02-09
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80, 81, 83 to 89
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LOCKSS Archive
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In Progress
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2026-02-09
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89
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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 : ; 7 (1 to 5); 8 (S1, 1 to 4); 71 (1 to 5); 72 (1 to 5); 73 (1 to 5); 74 (1 to 5); 75 (1 to 5); 76 (1 to 4); 77 (S1, 1 to 4); 78 (S1, 1 to 4); 79 (S1, 1 to 4); 81 (S1, 1 to 5); 82 (S1, 1 to 4); 83 (S1, 1 to 4); 84 (S1, 1 to 4); 85 (S1, 1 to 4); 86 (S1, 1 to 4); 87 (S1, 1 to 4); 88 (SI, 1, 2, 4); 89 (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 : ; 7 (1 to 5); 8 (S1, 1 to 4); 71 (1 to 5); 72 (1 to 5); 73 (1 to 5); 74 (1 to 5); 75 (1 to 5); 76 (1 to 4); 77 (S1, 1 to 4); 78 (S1, 1 to 4); 79 (S1, 1 to 4); 81 (S1, 1 to 5); 82 (suppl_1, 1 to 4); 83 (S1, 1 to 4); 84 (S1, 1 to 4); 85 (S1, 1 to 4); 86 (S1, 1 to 4); 87 (S1, 1 to 4); 88 (SI, 1, 2, 4); 89 (SI, 1, 2)
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British Library
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Preserved
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2019-09-18
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Preserved : 78 (1 to 2; 4), 79 (3), 80 (1 to 4), 81 (2), 82 (2 to 3)
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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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); IX (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); XXI (1-4); XXII (1-4); XXIII (1-4); XXIV (1-4); XXV (1-4); XXVI (1-4); XXVII (3, 4); XXVIII (1-3); XXIX (4); XXX (1-4); XXXI (1-4); XXXII (1-4); XXXIII (3, 4); XXXIV (1-4); XXXV (1-4); XXXVI (1-4); XXXVII (1-4); XXXIX (1-4); 41 (1-4); 42 (1, 2); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1B, 2-4); 49 (1-4); 51 (1-4); 52 (1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1-4)
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