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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 41 (1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 4, 5-6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 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 6); 59 (, 1, 2); 2007; 2008; 2009; 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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41 to 59
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 41(1-6), 2008: 42(1-6), 2009: 43(1-6), 2010: 44(1-6), 2011: 45(1-6), 2012: 46(1-3, 5-6), 2013: 47(1-2, 5-6), 2014: 48(1-5), 2015: 49(1-6), 2016: 50(1-6), 2017: 51(1-6), 2018: 52(1-6), 2019/2020: 53(1-6), 2020: 54(1-6), 2021: 55(1-6), 2022: 56(1-6), 2023: 57(1-6), 2024: 58(1-4, S 4, 5, S 5, 6, S 6), 2025: 59(1, S 1, 2, S 2, 3, S 3, 4-6)
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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 (5, 6); 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 4)
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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 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 4, 5-6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 5); 58 (1 to 6)
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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 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 4, 5-6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 5); 58 (1 to 6)
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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 to 6); 45 (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 : 44 (1 to 6); 45 (1, 2)
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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 : 41 (3, 5, 6); 42 (1-5); 43 (1-6); 44 (1, 3-5); 45 (1-6); 46 (1-4); 47 (1, 2); 48 (4-6); 49 (1-3, 6); 50 (1, 3-5); 51 (1-3, 6); 52 (1, 3-6); 53 (1-4)
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