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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 16 (1, 2-3, 4); 17 (, 1, 2-3, 4); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1, 2-3, 4 to 6); 22 (, 1 to 6); 23 (, 1, 2, 3-4, 5, 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 8); 29 (, 1 to 8); 30 (, 1 to 8); 31 (, 1 to 8); 32 (, 1-2, 3-4, 5 to 8); 33 (, 1 to 8); 34 (, 1 to 3, 4-5, 6-7, 8); 35 (, 1, 2-3, 4, 5-6, 7-8); 36 (, 1 to 8); 37 (, 1, 2-3, 4 to 8); 38 (, 1 to 4, 5-6, 7, 8); 39 (, 1 to 8); 40 (, 1 to 8); 41 (, 1 to 8); 42 (, 1 to 8); 43 (, 1 to 3, 6 to 8); 44 (, 1, 2-3, 4, 5, 6-7, 8); 45 (, 1 to 8); 46 (, 1-2, 3-4, 5, 6-7, 8); 47 (, 1-2, 4 to 8); 48 (, 1 to 5); 49 (, 1 to 4, 5-6, 7-8); 50 (, 1 to 8); 51 (, 1 to 8); 52 (, 2 to 8); 53 (, 1 to 8); 54 (, 1 to 8); 55 (, 1 to 8); 56 (, 1 to 7); 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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1 to 27
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CLOCKSS Archive
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Preserved
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2026-02-09
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11 to 57
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 27(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 28(1-8), 1998: 29(1-8), 1999: 30(1-8), 2000: 31(1-8), 2001: 32(1-8), 2002: 33(1-8), 2003: 34(1-8), 2004: 35(1-8), 2004/2005: 36(1-8), 2006: 37(1-8), 2007: 38(1-8), 2008: 39(1-8), 2009: 40(1-8), 2010: 41(1-8), 2011: 42(1-8), 2012: 43(1-8), 2013: 44(1-8), 2014: 45(1-8), 2015: 46(1-8), 2016: 47(1-8), 2017: 48(1-8), 2018: 49(1-8), 2019: 50(1-8), 2020: 51(1-8), 2020/2021: 52(1-8), 2022: 53(1-8), 2023: 54(1-8), 2024: 55(1-8), 2025: 56(1-8), 2026: 57(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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11 to 55
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CLOCKSS Archive
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Preserved
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2026-02-09
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39 to 48
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LOCKSS Archive
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In Progress
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2026-02-09
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56
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Library of Congress
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Preserved
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2025-04-07
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48 (2 to 6-7, 8); 49 (1 to 5-6, 7-8); 50 (1 to 8); 51 (1 to 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8)
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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 8); 4 (1 to 8); 5 (1 to 8); 28 (1 to 8); 29 (1 to 8); 31 (1 to 8); 32 (1-2, 3-4, 5 to 8); 33 (1 to 8); 34 (1 to 3, 4-5, 6-7, 8); 35 (1, 2-3, 4, 5-6, 7-8); 36 (1 to 8); 37 (1, 2-3, 4 to 8); 38 (1 to 4, 5-6, 7, 8); 39 (1 to 8); 41 (1 to 8); 42 (1 to 8); 43 (1 to 8); 44 (1, 2-3, 4, 5, 6-7, 8); 45 (1 to 8); 46 (1-2, 3-4, 5, 6-7, 8); 47 (1-2, 3 to 8); 48 (1 to 5, 6-7, 8); 49 (1 to 4, 5-6, 7-8); 51 (1 to 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (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 (1-2, 3-4); 7 (1-2, 3-4); 8 (1, 2, 3-4); 9 (1-4); 10 (1-3, 4); 11 (1-2, 3, 4); 12 (1-2, 3, 4); 13 (1-3); 14 (1, 2-4); 15 (1-2, 3-4); 16 (1, 2-3, 4); 17 (1, 2-3, 4); 18 (1-4, 6); 19 (1-6); 20 (1-6); 21 (1, 2-3, 4-6); 22 (1-6); 23 (1, 2, 3-4, 5, 6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (2-6); 28 (1-8); 29 (1-8); 30 (1, 2, 4-8); 31 (1-8); 32 (1-2, 3-4, 5-8); 33 (1-8); 34 (1-3, 4-5, 6-7, 8); 35 (1, 2-3, 4, 5-6, 7-8); 36 (4, 8); 37 (2-3, 4-8); 38 (1-4, 5-6, 7, 8); 39 (1-8)
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