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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 34 (1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 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 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 5); 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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34 to 52
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 34(1-12), 2008: 35(1-12), 2009: 36(1-12), 2010: 37(1-12), 2011: 38(1-12), 2012: 39(1-9, 11-12), 2013: 40(1-6, 8, 10-12), 2014: 41(1-8, 10-11), 2015: 42(2-12), 2016: 43(1-12), 2017: 44(1-12), 2018: 45(1-12), 2019/2020: 46(1-12), 2020: 47(1-12), 2021: 48(1-12), 2022: 49(1, S 1, 2-10, 12), 2023: 50(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6, S 6, 7, S 7, 8, S 8, 9, S 9, 10-11, S 11, 12, S 12, S 13, S 14), 2024: 51(1, S 1, 2, S 2, 3, S 3, 4, S 4, 5, S 5, 6, S 6, 7-8, S 8, 9, S 9, S 10, 11-12), 2025: 52(1, S 1, S 2, 3, S 3, 4, S 4, 5, S 5, 6, S 6, 7, S 7, 8, S 8, 9-12)
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LOCKSS Archive
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In Progress
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2026-02-09
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39, 46
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LOCKSS Archive
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Preserved
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2026-02-09
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40 to 45
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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 : 34 (4-12); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-12); 39 (1-6, 8-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1-12); 44 (1-12); 45 (1-12); 46 (1-9)
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Library of Congress
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Preserved
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2025-04-07
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44 (10, 11); 45 (1 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 12); 49 (1, S1, 2 to 12); 50 (1, S1, 2, S2, S3, 3, 4, S4, S5, 5, 6, S6, S7, 7, 8, S8, 9, S9, S10, 10, 11, S11, S12, 12, S13, S14); 51 (S1, 1, S2, 2, 3, S3, S4, 4, 5, S5, 6 to 8)
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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 (2 to 9, 11, 12); 5 (Suppl 3, 1 to 9, 11); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 5, 8, 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (Suppl 1, 1 to 9, 11, 12); 51 (Suppl 3, 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 : 4 (2 to 9, 11, 12); 5 (Suppl 6, 1 to 9, 11); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 5, 8, 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (Suppl 1, 1 to 9, 11, 12); 51 (Suppl 3, 1 to 9, 11, 12)
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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 : 37 (1, 3 to 9, 11, 12); 38 (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 : 37 (1, 3 to 9, 11, 12); 38 (1 to 5)
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