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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); 9 (, 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); 21 (, 1 to 4); 22 (, 1); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1); 37 (, 1 to 4); 38 (, 1); 39 (, 1); 40 (, 1); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1); 44 (, 1); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1, 2-3, 4); 56 (, 1 to 4); 57 (, 1, 2, 3-4); 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 (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 4); 83 (, 1 to 4); 84 (, 1 to 4); 85 (, 1 to 4); 86 (, 1 to 4); 87 (, 1 to 4); 88 (, 1 to 4); 89 (, 1 to 4); 90 (, 1 to 4); 91 (, 1 to 4); 92 (, 1 to 4); 93 (, 1 to 4); 94 (, 1 to 4); 95 (, 1 to 4); 96 (, 1, 2); 1927; 1928; 1929; 1930; 1931; 1932; 1933; 1934; 1935; 1936; 1937; 1938; 1939; 1940; 1941; 1942; 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; 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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Internet Archive
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Preserved
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2025-08-08
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1 to 83
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HathiTrust
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Preserved
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2025-11-01
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v.1 1927; v.3 1929; v.2 1928; 1927 (v.1); 1928 (v.2); 1929 (v.3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 96
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Portico
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Preserved
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2026-02-12
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Preserved : 1927: 1(1-4), 1928: 2(1-4), 1929: 3(1-4), 1930: 4(1-4), 1931: 5(1-4), 1932: 6(1, S 1, 2-4), 1933: 7(1-4), 1934: 8(1-4), 1935: 9(1-4), 1936: 10(1-4), 1937: 11(1, S 1, 2-4), 1938: 12(1-4), 1939: 13(1-4), 1940: 14(1-4), 1941: 15(1, S 1, 2-4), 1942/1963: 16(1-4), 1943/1963: 17(1, S 1, 2-4), 1944/1963: 18(1-4), 1945: 19(1-4), 1945/1946: 20(1-4), 1947: 21(1-4), 1948: 22(1-4), 1949: 23(1-4), 1950: 24(1-4), 1951: 25(1-4), 1952: 26(1-4), 1953: 27(1-4), 1954: 28(1-4), 1955: 29(1-4), 1956: 30(1-4), 1957: 31(1-4), 1958: 32(1-4), 1959: 33(1-4), 1960: 34(1-4), 1961: 35(1-4), 1962: 36(1-4), 1963: 37(1-4), 1964: 38(1-4), 1965: 39(1-4), 1966: 40(1-4), 1967: 41(1-4), 1968: 42(1-4), 1969: 43(1-4), 1970: 44(1-4), 1971: 45(1-4), 1972: 46(1-4), 1973: 47(1-4), 1974: 48(1-4), 1977: 49(1-4), 1978: 50(1-4), 1979: 51(1-4), 1980: 52(1-4), 1981: 53(1-4), 1982: 54(1-4), 1983: 55(1-4), 1984: 56(1-4), 1985: 57(1-4), 1986/1987: 58(1-4), 1988: 59(1-4), 1989: 60(1-4), 1990: 61(1-4), 1991: 62(1-4), 1992: 63(1-4), 1993: 64(1-4), 1994: 65(1-4), 1995: 66(1-4), 1996: 67(1-4), 1997: 68(1-4), 1998: 69(1-4), 1999: 70(1-4), 2000: 71(1-4), 2001: 72(1-4), 2002: 73(1-4), 2003: 74(1-4), 2004: 75(1-4), 2005: 76(1-4), 2006: 77(1-4), 2007: 78(1-4), 2008: 79(1-4), 2009: 80(1-4), 2010: 81(1-4), 2011: 82(1-4), 2012: 83(1-4), 2013: 84(1-2, 4), 2014: 85(1-4), 2015: 86(1-4), 2016: 87(1-4), 2017: 88(1-4), 2018: 89(1-4), 2019: 90(1-4), 2019/2020: 91(1-4), 2021: 92(1-4), 2022: 93(1-4), 2023: 94(1-4), 2024: 95(1-3), 2025: 96(1-4)
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LOCKSS Archive
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In Progress
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2026-02-09
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83, 90
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LOCKSS Archive
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Preserved
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2026-02-09
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84 to 89
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Library of Congress
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Preserved
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2025-04-07
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88 (4); 89 (1 to 4); 90 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (1 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 : 7 (1 to 4); 8 (1 to 4); 9 (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 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 7 (1 to 4); 8 (1 to 4); 9 (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 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1 to 4); 95 (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 : 68 (1-4); 69 (1-4); 70 (1-4); 71 (1-4); 72 (1-4); 73 (1-4); 74 (1-4); 75 (1-4); 76 (1-4); 77 (1-4); 78 (1-4); 79 (1-4); 80 (1-4); 81 (1-4); 82 (1-4); 83 (1-4); 84 (1-4); 85 (1-4); 86 (1-4); 87 (1-4); 88 (1-4); 89 (1-4); 90 (1-3)
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