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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 14 (1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1, 2); 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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14, 18
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LOCKSS Archive
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Preserved
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2026-02-09
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14 to 22
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Portico
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Preserved
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2026-02-12
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Preserved : 2016: 14(1-4), 2017: 15(1-4), 2018: 16(1-4), 2019: 17(1-4), 2020: 18(1-4), 2021: 19(1-4), 2022: 20(1-4), 2023: 21(1-4), 2024: 22(1-4), 2025: 23(1-4)
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CLOCKSS Archive
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In Progress
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2026-02-09
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15 to 17, 19 to 23
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LOCKSS Archive
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In Progress
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2026-02-09
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23
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Library of Congress
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Preserved
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2025-04-07
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14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4)
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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 : 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-3)
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British Library
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Preserved
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2019-09-18
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Preserved : 14 (1 to 4), 15 (1 to 4), 16 (1 to 2)
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