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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); 20 (, 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, 2); 35 (, 1, 2); 36 (, 1, 2); 37 (, 1, 2); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 4); 44 (, 1 to 4); 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, 2); 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1988; 1989; 1991; 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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LOCKSS Archive
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Preserved
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2026-02-09
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39 to 41
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CLOCKSS Archive
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Preserved
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2026-02-09
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39 to 44
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Portico
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Preserved
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2026-02-12
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Preserved : 1966: 1(1), 1967: 2(1), 1968: 3(1), 1969: 4(1), 1970: 5(1), 1971: 6(1), 1972: 7(1), 1973: 8(1), 1978: 9(1), 1979: 10(1), 1980: 11(1), 1981: 12(1), 1982: 13(1), 1983: 14(1), 1984: 15(1), 1985: 16(1), 1988: 17(1), 1989: 18(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 20(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 22(1), 1994: 23(1), 1995: 24(1), 1996: 25(1), 1997: 26(1), 1998: 27(1), 1999: 28(1), 2000: 29(1), 2001: 30(1), 2002: 31(1), 2003: 32(1), 2004: 33(1), 2005: 34(1-2), 2006: 35(1-2), 2007: 36(1-2), 2008: 37(1-2), 2009: 38(1-3), 2010: 39(1-3), 2011: 40(1-3), 2012: 41(1-3), 2013: 42(1-3), 2014: 43(1-4), 2015: 44(1-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 18, 20, 22 to 52
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 53
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LOCKSS Archive
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In Progress
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2026-02-09
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54
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 25(1), 1997: 26(1), 1998: 27(1), 1999: 28(1), 2000: 29(1), 2001: 30(1), 2002: 31(1), 2003: 32(1), 2004: 33(1), 2005: 34(1-2), 2006: 35(1-2), 2007: 36(1-2), 2008: 37(1-2), 2009: 38(1-3), 2010: 39(1-3), 2011: 40(1-3), 2012: 41(1-3), 2013: 42(1-3), 2014: 43(1-4), 2015: 44(1-4), 2016: 45(1-4), 2017: 46(1-4), 2018: 47(1-4), 2019: 48(1-4), 2020: 49(1-4), 2021: 50(1-4), 2022: 51(1-4), 2023: 52(1-4), 2024: 53(1-4), 2025: 54(1-3)
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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 : 46 (2 to 4); 47 (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 : 46 (1 to 4); 47 (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 : 3; 4 (2, 3); 5 (1 to 4); 26 (1); 27; 28; 29; 31; 32; 33; 34 (2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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40 (3); 43 (1, 2); 45 (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 3)
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