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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 45 (1 to 7); 46 (, 1 to 7); 47 (, 1 to 7); 48 (, 1 to 7); 49 (, 1 to 7); 50 (, 1 to 7); 51 (, 1 to 7); 52 (, 1 to 7); 53 (, 1 to 7); 54 (, 1 to 7); 55 (, 1 to 7); 56 (, 1 to 7); 57 (, 1 to 3, 5 to 7); 58 (, 1 to 7); 59 (, 1 to 6); 60 (, 1 to 6); 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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CLOCKSS Archive
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Preserved
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2026-02-09
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45 to 61
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 45(1-7), 2010: 46(1-7), 2011: 47(1-7), 2012: 48(1-4, 6-7), 2013: 49(1-7), 2014: 50(1-7), 2015: 51(2-7), 2016: 52(1-7), 2017: 53(1-7), 2018: 54(1-7), 2019/2020: 55(1-7), 2020: 56(1-7), 2021: 57(1-7), 2022: 58(1-7), 2023: 59(1-6), 2024: 60(1-3, 6), 2025: 61(1-6)
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LOCKSS Archive
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In Progress
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2026-02-09
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48
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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 (6, 7); 54 (1 to 7); 55 (1 to 7); 56 (1 to 7); 57 (1 to 3, 5 to 7); 58 (1 to 7); 59 (1 to 6); 60 (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 : 4 (1 to 6); 5 (1 to 7); 6 (1 to 4); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 7); 44 (1 to 7); 45 (1 to 7); 46 (1 to 7); 47 (1 to 7); 48 (1 to 7); 49 (1 to 7); 51 (1 to 7); 52 (1 to 7); 53 (1 to 7); 54 (1 to 7); 55 (1 to 7); 56 (1 to 7); 57 (1 to 7); 58 (1 to 7); 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 : 4 (1 to 6); 5 (1 to 7); 6 (1 to 4); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 7); 44 (1 to 7); 45 (1 to 7); 46 (1 to 7); 47 (1 to 7); 48 (1 to 7); 49 (1 to 7); 51 (1 to 7); 52 (1 to 7); 53 (1 to 7); 54 (1 to 7); 55 (1 to 7); 56 (1 to 7); 57 (1 to 7); 58 (1 to 7); 59 (1 to 5)
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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, 2); 46 (3 to 7); 47 (1 to 3)
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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, 2); 46 (3 to 7); 47 (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 : 45 (1-7); 46 (1-7); 47 (1-7); 48 (1-7); 49 (1-7); 50 (1-7); 51 (1-7); 52 (1-7); 53 (1-7); 54 (1-7); 55 (1-5)
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