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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 22 (1 to 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 5); 37 (, 1 to 6); 38 (, 1 to 3); 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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22 to 38
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 22(1-6), 2010: 23(1-6), 2011: 24(1-6), 2012: 25(1-6), 2013: 26(1-3), 2014: 27(1-6), 2015: 28(1-6), 2016: 29(1-6), 2017: 30(1-6), 2018: 31(1-6), 2019: 32(1-6), 2020: 33(1-6), 2021: 34(1-6), 2022: 35(1, S 1, 2-6), 2023: 36(1, S 1, 2-6), 2024: 37(1, S 1, 2-4, 6), 2025: 38(1, S 1, 2-5)
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LOCKSS Archive
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In Progress
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2026-02-09
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25, 32
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LOCKSS Archive
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Preserved
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2026-02-09
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26 to 31
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Library of Congress
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Preserved
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2025-04-07
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30 (6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1, S1, 2 to 6); 36 (1, S1, 2 to 6); 37 (1 to 3)
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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 : 3 (2 to 6); 22 (1 to 6); 23 (1 to 3, 5, 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (Suppl 1, 1 to 6); 36 (1 to 5); 37 (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 : 3 (2 to 6); 22 (1 to 6); 23 (1 to 3, 5, 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (Suppl 1, 1 to 6); 36 (1 to 5); 37 (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 : 23 (2 to 6); 24 (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 : 23 (2 to 6); 24 (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 : 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-5); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-5)
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