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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 44 (1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1, 3 to 7); 59 (, 1 to 3); 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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44 to 59
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 44(1-4), 2011: 45(1-4), 2012: 46(1-4), 2013: 47(1-4), 2014: 48(1-4), 2015: 49(1-4), 2016: 50(1-4), 2017: 51(1-4), 2018: 52(1-6), 2019: 53(1-6), 2019/2020: 54(1-6), 2021: 55(1-6), 2022: 56(1, 3-6), 2023: 57(1-6), 2024: 58(1-6), 2025: 59(1, 3-6), 2026: 60(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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46, 53
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LOCKSS Archive
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Preserved
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2026-02-09
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47 to 52
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Library of Congress
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Preserved
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2025-04-07
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51 (2); 52 (2 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1)
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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 : 44 (1)
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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 : 44 (1)
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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 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 7)
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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 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 7)
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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 : 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-6); 53 (1-5)
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