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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); 37 (, 1); 38 (, 1); 39 (, 1); 40 (, 1); 41 (, 1); 42 (, 1); 43 (, 1); 44 (, 1); 45 (, 1); 46 (, 1); 47 (, 1); 48 (, 1); 49 (, 1); 50 (, 1); 51 (, 1); 52 (, 1); 53 (, 1); 54 (, 1); 55 (, 1); 56 (, 1, 2); 61 (, 1); 62 (, 2); 63 (, 1, 2); 64 (, 1); 65 (, 1, 2); 66 (, 1, 2); 67 (, 1, 2); 68 (, 1, 2); 69 (, 1, 2); 70 (, 1, 2); 71 (, 1, 2); 72 (, 1, 2); 73 (, 1, 2); 74 (, 1, 2); 75 (, 1, 2); 76 (, 1, 2); 1935; 1937; 1939; 1947; 1948; 1949; 1950; 1951; 1952; 1953; 1954; 1955; 1956; 1959; 1960; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1975; 1976; 1977; 1978; 1979; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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Portico
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Preserved
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2026-02-12
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Preserved : 1979: 31(1), 1980: 32(1), 1981: 33(1), 1982: 34(1), 1983: 35(1), 1984: 36(1), 1985: 37(1), 1986: 38(1), 1987: 39(1), 1988: 40(1), 1989: 41(1), 1990: 42(1), 1991: 43(1), 1992: 44(1), 1993: 45(1), 1994: 46(1), 1995: 47(1), 1996: 48(1), 1997: 49(1), 1998: 50(1), 1999: 51(1), 2000: 52(1), 2001: 53(1), 2002: 54(1), 2003: 55(1), 2004: 56(1-2), 2005: 57(1-2), 2006: 58(1-2), 2007: 59(1-2), 2008: 60(1-2), 2009: 61(1-2), 2010: 62(1-2), 2011: 63(1-2), 2012: 64(1-2), 2013: 65(1-2), 2014: 66(1-2), 2015: 67(1-2), 2016: 68(1-2), 2017: 69(1-2), 2018: 70(1-2), 2019: 71(1-2), 2020: 72(1-2), 2021: 73(1-2), 2022: 74(1-2), 2023: 75(1-2), 2024: 76(1-2), 2025: 77(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 76
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 77
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LOCKSS Archive
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In Progress
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2026-02-09
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77
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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); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56 (2); 57 (1, 2); 58 (1, 2); 59 (1, 2); 60 (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 : 5 (1); 6 (2); 7 (1, 2); 49 (1); 51; 52; 53; 54; 55; 56 (2); 57 (1, 2); 58 (1, 2); 59 (1, 2); 61 (1, 2); 62 (1, 2); 63 (1, 2); 64 (1, 2); 65 (1, 2); 66 (sup1, 1, 2); 67 (1, 2); 68 (1, 2); 69 (1, 2); 71 (1, 2); 72 (1, 2); 73 (1, 2); 74 (1, 2); 75 (1, 2); 76 (1)
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Library of Congress
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Preserved
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2025-04-07
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62 (2); 63 (1, 2); 64 (1, 2); 65 (1, 2); 66 (sup1, 1, 2); 67 (1, 2); 68 (1, 2); 69 (1, 2); 70 (1, 2); 71 (1, 2); 72 (1, 2); 73 (1, 2); 74 (1, 2); 75 (1, 2); 76 (1)
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