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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 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 5); 10 (, 1 to 5); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1-2, 3 to 6); 14 (, 1 to 6); 15 (, 1-4, 5 to 9); 16 (, 1 to 12); 17 (, 1, 2, 3-4, 5 to 12); 18 (, 1, 2-3, 4 to 12); 19 (, 1 to 10, 11-12); 20 (, 1 to 3, 4-5, 6, 7, 8-9, 10 to 12); 21 (, 1, 2-4, 5, 6-8, 9 to 12); 22 (, 1, 2, 3-4, 5 to 8, 9-10, 11-12); 23 (, 1, 2-3, 4, 5-8, 9 to 12); 24 (, 1 to 6, 7-8, 9 to 12); 25 (, 1, 2-3, 4 to 8, 9-10, 11, 12); 26 (, 1 to 7, 8-9, 10-11, 12 to 14); 27 (, 1-2, 3-4, 5 to 7, 8-9, 10, 11-12, 13-14); 28 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14); 29 (, 1-3, 4-6, 7 to 9, 10-11, 12 to 14); 30 (, 1 to 5, 6-7, 8-9, 10, 11, 12-14); 31 (, 1 to 9, 10-11, 12 to 14); 32 (, 1, 2, 3-4, 5 to 14); 33 (, 1 to 7, 8-9, 10, 11, 12-13, 14); 34 (, 1-2, 3 to 14); 35 (, 1 to 14); 36 (, 1 to 14); 37 (, 1 to 14); 38 (, 1 to 13); 39 (, 1 to 14); 40 (, 1 to 14); 41 (, 2 to 4, 5-6, 7 to 16); 42 (, 1 to 14, 15-16); 43 (, 1 to 16); 44 (, 1 to 10, 11-12, 13 to 16); 45 (, 1 to 16); 46 (, 1 to 16); 47 (, 1 to 16); 48 (, 1 to 4, 5-6, 7 to 12); 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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26 to 30
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 47
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 49
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LOCKSS Archive
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In Progress
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2026-02-09
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48
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 19(1-12), 1997: 20(1-12), 1998: 21(1-12), 1999: 22(1-12), 2000: 23(1-12), 2001: 24(1-12), 2002: 25(1-12), 2003: 26(1-14), 2004: 27(1-14), 2005: 28(1-14), 2006: 29(1-14), 2007: 30(1-14), 2008: 31(1-14), 2009: 32(1-14), 2010: 33(1-14), 2011: 34(1-14), 2012: 35(1-14), 2013: 36(1-14), 2014: 37(1-14), 2015: 38(1-14), 2016: 39(1-14), 2017: 40(1-14), 2018: 41(1-16), 2019: 42(1-16), 2020: 43(1-16), 2021: 44(1-16), 2022: 45(1-16), 2023: 46(1-16), 2024: 47(1-16), 2025: 48(1-16), 2026: 49(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 : 2 (1 to 3, 4-5, 6, 7, 8-9, 11, 12); 3 (1 to 5, 6-7, 8-9, 11, 12-14); 4 (1 to 9, 11 to 14); 21 (1, 2-4, 5, 6-8, 9, 11, 12); 22 (1, 2, 3-4, 5 to 8, 9-1, 11-12); 23 (1, 2-3, 4, 5-8, 9, 11, 12); 24 (1 to 6, 7-8, 9, 11, 12); 25 (1, 2-3, 4 to 8, 9-1, 11, 12); 26 (1 to 7, 8-9, 12 to 14); 27 (1-2, 3-4, 5 to 7, 8-9, 11-12, 13-14); 28 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12, 13-14); 29 (1-3, 4-6, 7 to 9, 12 to 14); 31 (1 to 9, 12 to 14); 32 (1, 2, 3-4, 5 to 9, 11 to 14); 33 (1 to 7, 8-9, 11, 12-13, 14); 34 (1-2, 3 to 9, 11 to 14); 35 (1 to 9, 11 to 14); 36 (1 to 9, 11 to 14); 37 (1 to 9, 11 to 14); 38 (1 to 9, 11, 12, 13-14); 39 (1 to 9, 11 to 14); 41 (1 to 4, 5-6, 7 to 9, 11 to 16); 42 (1 to 9, 11 to 14, 15-16); 43 (1 to 9, 11 to 16); 44 (1 to 3, 5 to 9, 11-12, 13 to 16); 45 (1 to 9, 11 to 16); 46 (1 to 9, 11 to 16); 47 (1 to 9, 11 to 16); 48 (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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-5); 10 (1-5); 11 (1-6); 12 (1-6); 13 (1-2, 3-6); 14 (1-6); 15 (1-4, 5-9); 16 (1-12); 17 (1, 2, 3-4, 5-12); 18 (1, 2-3, 4-12); 19 (1-10, 11-12); 20 (1-3, 4-5, 6, 7, 8-9, 10-12); 21 (1, 2-4, 5, 6-8, 9-12); 22 (1, 2, 3-4, 5-8, 9-10, 11-12); 23 (1, 2-3, 4, 5-8, 9-12); 24 (1-6, 7-8, 9-12); 25 (1, 2-3, 4-8, 9-10, 11, 12); 26 (1-7, 8-9, 10-11, 12-14); 27 (1-2, 3-4, 5-7, 10, 11-12, 13-14); 28 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12, 13-14); 29 (1-3, 4-6, 7-9, 10-11, 12-14); 30 (1-5, 6-7, 8-9, 10, 11, 12-14); 31 (1-9, 10-11, 12-14)
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Library of Congress
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Preserved
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2025-04-07
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33 (2 to 8-9, 10 to 12-13, 14); 34 (1-2, 3 to 14); 35 (1 to 14); 36 (1 to 14); 37 (1 to 14); 38 (1 to 13, 13-14); 39 (1 to 14); 40 (1 to 14); 41 (1 to 5-6, 7 to 16); 42 (1, 3 to 9, 11 to 15-16); 43 (1 to 16); 44 (1 to 11-12, 13 to 16); 45 (1 to 16); 46 (1 to 16); 47 (1 to 16)
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