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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); 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); 17 (, 1); 18 (, 1); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1); 34 (, 1); 35 (, 1); 36 (, 1); 37 (, 1); 38 (, 1); 39 (, 1); 40 (, 1); 41 (, 1); 42 (, 1); 43 (, 1); 44 (, 1); 45 (, 1); 46 (, 1); 47 (, 1); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1-2, 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1, 2-3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66 (, 1 to 3); 67 (, 1 to 3); 68 (, 1 to 3); 69 (, 1, 2-3); 70 (, 1 to 3); 71 (, 1 to 3); 72 (, 1 to 3); 73 (, 1 to 3); 74 (, 1 to 3); 75 (, 1 to 8); 76 (, 1 to 8); 77 (, 1 to 8); 78 (, 1 to 8); 79 (, 1 to 8); 80 (, 1 to 5, 6-8); 81 (, 1 to 8); 82 (, 3, 7, 8); 83 (, 1 to 8); 84 (, 1 to 8); 85 (, 1 to 8); 86 (, 1 to 8); 87 (, 1, 2, 4 to 8); 88 (, 1 to 5); 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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22 to 40
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 89
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Portico
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Preserved
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2026-02-12
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Preserved : 1958: 1(1), 1959: 2(1), 1960: 3(1), 1961: 4(1), 1962: 5(1), 1963: 6(1), 1963: 7(1), 1964: 8(1), 1965: 9(1), 1966: 10(1), 1967: 11(1), 1967: 12(1), 1968: 13(1), 1969: 14(1), 1970: 15(1), 1970: 16(1), 1971: 17(1), 1972: 18(1), 1972: 19(1), 1973: 20(1), 1974: 21(1), 1975: 22(1), 1976: 23(1), 1977: 24(1), 1978: 25(1), 1979: 26(1), 1980: 27(1), 1981: 28(1), 1982: 29(1), 1983: 30(1), 1984: 31(1), 1985: 32(1), 1986: 33(1), 1987: 34(1), 1988: 35(1), 1989: 36(1), 1990: 37(1), 1991: 38(1), 1992: 39(1), 1993: 40(1), 1994: 41(1), 1995: 42(1), 1996: 43(1), 1996: 44(1), 1997: 45(1), 1997: 46(1), 1998: 47(1), 1998: 48(1-3), 1999: 49(1-3), 1999/2000: 50(1-3), 2000: 51(1-3), 2000: 52(1-3), 2001: 53(1-3), 2001/2002: 54(1-3), 2002: 55(1-3), 2002: 56(1-3), 2003: 57(1-3), 2003: 58(1-3), 2004: 59(1-3), 2004: 60(1-3), 2005: 61(1-3), 2005: 62(1-3), 2006: 63(1-3), 2006: 64(1-3), 2007: 65(1-3), 2007: 66(1-3), 2008: 67(1-3), 2008: 68(1-3), 2009: 69(1-3), 2009: 70(1-3), 2010: 71(1-3), 2010: 72(1-3), 2011: 73(1-3), 2011: 74(1-3), 2012: 75(1-6, 8), 2013: 76(1-5, 7), 2014: 77(1-7), 2015: 78(3-8), 2016: 79(1-8), 2017: 80(1-8), 2018: 81(1-8), 2019: 82(1-5, 7-8), 2019/2020: 83(1-8), 2021: 84(1-8), 2022: 85(1-8), 2023: 86(2-8), 2024: 87(1-8), 2025: 88(1-8), 2026: 89(1-2)
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LOCKSS Archive
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In Progress
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2026-02-09
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75, 82
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LOCKSS Archive
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Preserved
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2026-02-09
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76 to 81
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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 : 48 (1-3); 49 (1-3); 50 (1-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3); 55 (1-2, 3); 56 (1-3); 57 (1-3); 58 (1-3); 59 (1-3); 60 (1-3); 61 (1-3); 62 (1, 2-3); 63 (1-3); 64 (1-3); 65 (1, 2); 66 (1-3); 67 (1-3); 68 (1-3); 69 (1, 2-3); 70 (1-3); 71 (1-3); 72 (1-3); 73 (1-3); 74 (1-3); 75 (1-4, 6-8); 76 (1-8); 77 (1-8); 78 (1-8); 79 (1-8); 80 (1-5, 6-8); 81 (1-8); 82 (1, 2, 4-8)
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Library of Congress
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Preserved
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2025-04-07
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79 (5); 81 (3 to 8); 82 (1 to 8); 83 (1 to 8); 84 (1 to 8); 85 (1 to 8); 86 (1 to 8); 87 (1 to 8)
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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 : 5 (1 to 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 6); 45 (1); 46; 47; 48 (2, 3); 49 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1, 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1, 2); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1, 2); 71 (1 to 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (1 to 8); 76 (1 to 8); 77 (1 to 8); 78 (1 to 8); 79 (1 to 8); 81 (1 to 8); 82 (1 to 8); 83 (1 to 8); 84 (1 to 8); 85 (1 to 8); 86 (1 to 8); 87 (1 to 8)
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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 3); 6 (1 to 3); 7 (1 to 3); 8 (1 to 6); 45 (1); 46; 47; 48 (2, 3); 49 (1 to 3); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1, 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1, 2); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (1, 2); 71 (1 to 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (1 to 8); 76 (1 to 8); 77 (1 to 8); 78 (1 to 8); 79 (1 to 8); 81 (1 to 8); 82 (1 to 8); 83 (1 to 8); 84 (1 to 8); 85 (1 to 8); 86 (1 to 8); 87 (1 to 8)
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