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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 12 (1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 5); 19 (, 1 to 5); 20 (, 1 to 5); 21 (, 1 to 5); 22 (, 1 to 5); 23 (, 1 to 5); 24 (, 1 to 5); 25 (, 1 to 5); 26 (, 1 to 5); 27 (, 1, 3 to 5); 28 (, 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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12 to 28
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 12(1-4), 2010: 13(1-4), 2011: 14(1-4), 2012: 15(1-2, 4), 2013: 16(1-4), 2014: 17(1-3), 2015: 18(1-5), 2016: 19(1-5), 2017: 20(1-5), 2018: 21(1-5), 2019: 22(1-5), 2019/2020: 23(1-5), 2021: 24(1-5), 2022: 25(1-5), 2023: 26(2-5), 2024: 27(1-4), 2025: 28(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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15, 22
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LOCKSS Archive
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Preserved
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2026-02-09
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16 to 21
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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 : 12 (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 : 12 (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 : 2 (1 to 5); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 5); 19 (1 to 5); 21 (1 to 5); 22 (1 to 5); 23 (1 to 5); 24 (1 to 5); 25 (1 to 5); 26 (1 to 5); 27 (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 : 2 (1 to 5); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 5); 19 (1 to 5); 21 (1 to 5); 22 (1 to 5); 23 (1 to 5); 24 (1 to 5); 25 (1 to 5); 26 (1 to 5); 27 (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 : 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-5); 19 (1-5); 20 (1-5); 21 (1-5); 22 (1-5)
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