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Internet Archive
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Preserved
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2025-08-08
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1 to 24
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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, 2); 2 (1, 2); 3 (1, 2); 4 (1-2); 5; 6 (2); 7 (1-2); 8; 9; 10 (2); 11 (1, 2); 12 (1-2); 13 (2); 14 (1, 2); 15 (1, 2); 16 (1-2, 3-4); 17 (1-2, 3-4); 18; 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1, 3, 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (S1, 1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1)
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 30
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 32
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LOCKSS Archive
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In Progress
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2026-04-06
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31, 32
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Portico
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Preserved
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2026-04-02
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Preserved : 2011: 17(1-4), 2012: 18(1-4), 2013: 19(1-4), 2014: 20(1-4), 2015: 21(1-4), 2016: 22(1-4), 2017: 23(1-4), 2018: 24(1-4), 2019: 25(1-4), 2020: 26(1-4), 2021: 27(1-4), 2022: 28(1-4), 2023: 29(1-4), 2024: 30(1-4), 2025: 31(1-4), 2026: 32(1-2)
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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 (2); 2 (1 to 4); 3 (1 to 4); 6 (2); 7 (1-2); 8; 9; 11 (2); 12 (1-2); 13 (2); 14 (1, 2); 15 (1, 2); 16 (1-2, 3-4); 17 (1-2, 3-4); 18 (1-2, 3-4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (S1, 1 to 4); 29 (1 to 4); 31 (1, 2)
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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 : 1 (1, 2); 2 (1, 2); 3 (1, 2); 4 (1-2); 5; 6 (2); 7 (1-2); 8; 9; 10 (2); 11 (1, 2); 12 (1-2); 13 (2); 14 (1, 2); 15 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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23 (2 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (S1, 1 to 4); 29 (1 to 4); 30 (1 to 4)
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