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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 46 (1 to 4); 47 (, 1 to 5); 48 (, 1 to 4); 49 (, 1 to 5); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 5); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 5); 59 (, 1 to 5); 60 (, 1 to 5); 61 (, 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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46 to 62
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 46(1-4), 2011: 47(1-5), 2012: 48(1-4), 2013: 49(1-5), 2014: 50(1-4), 2015: 51(1-4), 2016: 52(1-5), 2017: 53(1-4), 2018: 54(1-4), 2018/2019: 55(1-4), 2019/2020: 56(1-4), 2021: 57(1-4), 2022: 58(1-5), 2023: 59(1-5), 2024: 60(1-5), 2025: 61(1-4), 2026: 62(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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48, 55
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LOCKSS Archive
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Preserved
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2026-02-09
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49 to 54
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Library of Congress
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Preserved
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2025-04-07
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53 (4); 54 (1, S1, 2 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 5); 59 (1 to 5); 60 (1 to 4); 61 (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 : 46 (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 : 46 (1, 2)
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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 (2 to 4); 6 (1 to 5); 46 (1 to 4); 47 (1 to 5); 48 (1 to 4); 49 (1 to 5); 51 (1 to 4); 52 (1 to 5); 53 (1 to 4); 54 (Suppl 1, 1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 5); 59 (1 to 5)
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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 (2 to 4); 6 (1 to 5); 46 (1 to 4); 47 (1 to 5); 48 (1 to 4); 49 (1 to 5); 51 (1 to 4); 52 (1 to 5); 53 (1 to 4); 54 (Suppl 1, 1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 5); 59 (1 to 5)
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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 : 46 (1-4); 47 (1, 4, 5); 48 (1-4); 49 (1-5); 50 (supplement-1, 1-4); 51 (1-4); 52 (1-5); 53 (1-4); 54 (supplement-1, 2-4); 55 (1-4)
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