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