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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 17 (1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 8); 22 (, 1 to 8); 23 (, 1 to 8); 24 (, 1 to 10); 25 (, 1 to 4, 5-6, 7 to 10); 26 (, 1 to 6, 7-8, 9, 10); 27 (, 1 to 8, 9-10); 33 (, 2); 34 (, 1-2, 3 to 12); 35 (, 1-2, 3 to 12); 36 (, 1 to 6, 8 to 12); 37 (, 1 to 12); 38 (, 1, 2-3, 4 to 12); 39 (, 1 to 12); 40 (, 1 to 5, 8 to 12); 41 (, 1 to 3, 4-5, 6 to 12); 42 (, 1 to 6, 7-8, 9 to 12); 43 (, 1 to 9, 10-11, 12); 44 (, 1 to 9, 10-12); 45 (, 1 to 12); 46 (, 1-2, 3 to 12); 47 (, 1 to 12); 48 (, 1, 4 to 12); 49 (, 1 to 3, 4-5, 6 to 9); 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 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 39
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LOCKSS Archive
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Preserved
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2026-02-09
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17 to 48
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 17 to 50
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LOCKSS Archive
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In Progress
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2026-02-09
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49
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 21(1-8), 1998: 22(1-8), 1999: 23(1-8), 2000: 24(1-10), 2001: 25(1-10), 2002: 26(1-10), 2003: 27(1-10), 2004: 28(1-10), 2004/2005: 29(1-10), 2006: 30(1-10), 2007: 31(1-12), 2008: 32(1-12), 2008/2009: 33(1-12), 2009/2010: 34(1-12), 2011: 35(1-12), 2012: 36(1-12), 2013: 37(1-12), 2014: 38(1-12), 2015: 39(1-12), 2016: 40(1-12), 2017: 41(1-12), 2018: 42(1-12), 2019: 43(1-12), 2020: 44(1-12), 2021: 45(1-12), 2022: 46(1-12), 2023: 47(1-12), 2024: 48(1-12), 2025: 49(1-12), 2026: 50(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 (2 to 4, 5-6, 7 to 9); 4 (1 to 9, 11, 12); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 9); 25 (1 to 4, 5-6, 7 to 9); 26 (1 to 6, 7-8, 9); 27 (1 to 8, 9-1); 28 (1 to 9); 29 (1 to 8, 9-1); 31 (1 to 9, 11, 12); 32 (1 to 3, 4-6, 7 to 9, 11, 12); 33 (1, 2, 3-4, 5 to 9, 11, 12); 34 (1-2, 3 to 9, 11, 12); 35 (1-2, 3 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1, 2-3, 4 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 3, 4-5, 6 to 9, 11, 12); 42 (1 to 6, 7-8, 9, 11, 12); 43 (1 to 9, 12); 44 (1 to 9); 45 (1 to 9, 11, 12); 46 (1-2, 3 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 3)
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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 : 3 (1-4, 10); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (2-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1, 2, 3-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-8); 22 (1-8); 23 (1-8); 24 (1-10); 25 (1-4, 5-6, 7-10); 26 (1-6, 7-8, 9, 10); 27 (1-8, 9-10); 28 (1-10); 29 (1-8, 9-10); 30 (1-4, 5-6, 7-10); 31 (1-12); 32 (1-3, 4-6, 7-12)
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Library of Congress
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Preserved
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2025-04-07
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39 (2); 41 (6 to 12); 42 (1 to 7-8, 9 to 12); 43 (1 to 10-11, 12); 44 (1 to 10-12); 45 (1 to 12); 46 (1-2, 3 to 12); 47 (1 to 12); 48 (1 to 11)
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