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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 40 (1 to 6); 41 (, 1 to 11); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 14); 49 (, 1 to 14); 50 (, 1 to 14); 51 (, 1 to 14); 52 (, 1 to 14); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1, 2); 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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to 29
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CLOCKSS Archive
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Preserved
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2026-02-09
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40 to 59
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 40(1-2, S 2, 3-6), 2007: 41(1-11), 2008: 42(1-12), 2009: 43(1-12), 2010: 44(1-12), 2011: 45(1-12), 2012: 46(1-4, 6-12), 2013: 47(1-3, 6-12), 2014: 48(1-4, 6-13), 2015: 49(2-14), 2016: 50(1-14), 2017: 51(1-14), 2018: 52(1-14), 2019/2020: 53(1-12), 2020: 54(1-12), 2021: 55(1, S 1, 2-12), 2022: 56(1-7, 10-12), 2023: 57(1, S 1, 2, S 2, 3, S 3, 4-12), 2024: 58(1, S 1, 2-5, 8-10, 12), 2025: 59(1-9)
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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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LOCKSS Archive
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Preserved
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2026-02-09
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47 to 53
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Library of Congress
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Preserved
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2025-04-07
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51 (14); 52 (1 to 14); 53 (1 to 12); 54 (1 to 12); 55 (1, S1, 2 to 12); 56 (1 to 12); 57 (1, S1, S2, 2, 3, S3, 4 to 12); 58 (1 to 5, 11)
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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 : 4 (1 to 6); 41 (1 to 9, 11); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 5, 7 to 9)
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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 : 4 (1 to 6); 41 (1 to 9, 11); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 5, 7 to 9)
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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 : 5 (1 to 9, 11 to 14); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11 to 14); 49 (1 to 9, 11 to 14); 51 (1 to 9, 11 to 14); 52 (1 to 9, 11 to 14); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (Suppl 1, 1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 7); 58 (Suppl 2, 1 to 9, 11, 12)
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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 : 5 (1 to 9, 11 to 14); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11 to 14); 49 (1 to 9, 11 to 14); 51 (1 to 9, 11 to 14); 52 (1 to 9, 11 to 14); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (Suppl 1, 1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 7); 58 (Suppl 2, 1 to 9, 11, 12)
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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 : 30 (3-4); 40 (1-6); 41 (1-6, 8, 9, 11); 42 (1-8, 10-12); 43 (1-12); 44 (1-12); 45 (1-10); 46 (1-12); 47 (1-11); 48 (1-14); 49 (1-14); 50 (1-10, 12-14); 51 (1-8, 11-14); 52 (1-14); 53 (1-5)
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