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Scholars Portal
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Preserved
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2025-09-02
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Preserved : I (1 to 3); II (, 1 to 3); III (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 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 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 5); 32 (, 1 to 5); 33 (, 1 to 5); 34 (, 1 to 5); 35 (, 1 to 5); 36 (, 1 to 5); 37 (, 1 to 6); 38 (, 1, 3 to 6); 39 (, 1 to 5); 40 (, 1, 2, 5, 6); 41 (, 1 to 3, 5); 42 (, 1 to 6); 43 (, 1, 2, 4 to 6); 44 (, 1, 2, 4); 46 (, 1); 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
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Internet Archive
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Preserved
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2025-08-08
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4 to 32
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Portico
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Preserved
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2026-02-12
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Preserved : 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(1-4), 2008: 29(1-4), 2008/2009: 30(1-4), 2009/2010: 31(1-4), 2010/2011: 32(1-5), 2011/2012: 33(1-5), 2012/2013: 34(1-5), 2014: 35(1-5), 2014/2015: 36(1-5), 2014/2015/2016: 37(1-6), 2017: 38(1-6), 2018: 39(1-6), 2019: 40(1-6), 2020: 41(1-6), 2021: 42(1-6), 2022: 43(1-6), 2023: 44(1-6), 2024: 45(1-6), 2025: 46(1-6)
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LOCKSS Archive
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Preserved
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2026-02-09
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26, 27, 29, 31 to 45
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CLOCKSS Archive
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Preserved
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2026-02-09
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29 to 36, 38
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CLOCKSS Archive
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In Progress
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2026-02-09
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37, 39 to 46
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LOCKSS Archive
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In Progress
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2026-02-09
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46
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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 : 3 (1 to 4); 4 (1 to 6); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 4, 6); 46 (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 : 3 (1 to 4); 4 (1 to 6); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 4, 6); 46 (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 : 8 (2); 15 (3)
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