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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); 2 (, 1, 2); 3 (, 1 to 3); 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 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 2 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1-2, 3, 4); 42 (, 1, 2, 3-4); 43 (, 1 to 3); 44 (, 1-2, 3-4); 45 (, 1 to 4); 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 29
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 46
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Portico
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Preserved
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2026-02-12
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Preserved : 1980: 1(1-2), 1981: 2(1-2), 1982: 3(1-3), 1983: 4(1-4), 1984: 5(1-4), 1985: 6(1-4), 1986: 7(1-4), 1987: 8(1-4), 1988: 9(1-4), 1989: 10(1-4), 1990: 11(1-4), 1991: 12(1-4), 1992: 13(1-4), 1993: 14(1-4), 1994: 15(1-4), 1995: 16(1-4), 1996: 17(1-4), 1997: 18(1-4), 1998: 19(1-4), 1999: 20(1-4), 2000: 21(1-4), 2001: 22(1-4), 2002: 23(1-4), 2003: 24(1-4), 2004: 25(1-4), 2005: 26(1-4), 2006: 27(1-4), 2007: 28(2-4), 2008: 29(1-4), 2009: 30(1-4), 2010: 31(1-4), 2011: 32(1-4), 2012: 33(1-3), 2013: 34(1-4), 2014: 35(1-4), 2015: 36(1-4), 2016: 37(1-4), 2017: 38(1-4), 2018: 39(1-4), 2019: 40(1-4), 2020: 41(1-4), 2021: 42(1-4), 2022: 43(1-4), 2023: 44(1-4), 2024: 45(1-4), 2025: 46(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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33, 40
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LOCKSS Archive
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Preserved
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2026-02-09
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34 to 39
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Library of Congress
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Preserved
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2025-04-07
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39 (1 to 4); 40 (1 to 4); 41 (1-2, 3, 4); 42 (1 to 3-4); 43 (1 to 3-4); 44 (1-2, 3-4); 45 (1, 2)
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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 : 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (2 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1-2, 3, 4); 42 (1, 2, 3-4); 43 (1, 2, 3-4); 44 (1-2, 3-4); 45 (1 to 4)
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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 : 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (2 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1-2, 3, 4); 42 (1, 2, 3-4); 43 (1, 2, 3-4); 44 (1-2, 3-4); 45 (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 : 18 (1-4); 19 (1-4); 20 (1-4); 21 (1, 4); 22 (1-4); 23 (1-4); 24 (1, 3, 4); 25 (1-4); 26 (2-4); 27 (1-4); 28 (2-4); 29 (1-4); 30 (1-4); 31 (1, 2, 4); 32 (1-4); 33 (2-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-3)
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