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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1-2, 3, 4); 3 (1 to 4); 4 (1, 2, 3-4); 5 (1-2, 3, 4); 6 (1 to 4); 7 (1 to 4); 8 (1, 2, 4); 9 (1 to 4); 10 (1-2, 3-4); 11 (1 to 4, 6); 12 (1 to 6); 13 (1 to 6); 14 (3 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1-2, 3-4, 5-6); 18 (1 to 6); 19 (1 to 6); 20 (1, 3 to 6); 21 (1 to 4)
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CLOCKSS Archive
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Preserved
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2026-04-06
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ahead-of-print to 21
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 21
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Portico
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Preserved
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2026-04-02
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Preserved : 2011: 7(1-4), 2012: 8(1-4), 2013: 9(1-4), 2014: 10(1-4), 2015: 11(1-6), 2016: 12(1-6), 2017: 13(1-6), 2018: 14(1-6), 2019: 15(1-6), 2020: 16(1-6), 2021: 17(1-6), 2022: 18(1-6), 2023: 19(1-6), 2024: 20(1-6), 2025: 21(1-4)
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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 : 1 (1 to 4); 2 (1-2, 2 to 6); 3 (1 to 4); 4 (1, 2, 3-4); 5 (1-2, 3, 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1-2, 3 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1-2, 3-4, 5-6); 18 (1 to 6); 19 (1 to 6)
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Library of Congress
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Preserved
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2025-04-07
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6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1-2, 3-4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1-2, 3 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1-2, 3-4, 5-6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 5)
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British Library
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Preserved
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2019-09-18
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Preserved : 1 (1 to 4), 2 (1; 3 to 4), 3 (1 to 4), 4 (1 to 3), 5 (1; 3 to 4), 6 (1 to 4), 7 (1 to 3)
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