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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 3
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LOCKSS Archive
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Preserved
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2026-02-09
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1, 3
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 1(1, S 1), 2013: 2(1), 2014: 3(1), 2015: 4(1), 2016: 5(1), 2017: 6(1), 2018: 7(1), 2019: 8(1), 2020: 9(1), 2021: 10(1), 2023: 11(1), 2023: 12(1), 2025: 13(1), 2026: 14(1), 2026: 15(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 15
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LOCKSS Archive
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Preserved
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2026-02-09
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2, 4 to 8
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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 : 1 (Suppl 1, 1); 2; 3; 4; 5; 6; 7; 8; 9; 11; 12
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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 (Suppl 1, 1); 2; 3; 4; 5; 6; 7; 8; 9; 11; 12
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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; 2; 3
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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; Supp 1)
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Library of Congress
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Preserved
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2025-04-07
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1 (1, S1); 2 (1); 3 (1); 4 (1); 5 (1); 6 (1); 7 (1); 8 (1); 9 (1); 10 (1); 11 (1); 12 (1); 13 (1)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 1 (Suppl 1, 1); 2; 3; 4; 5; 6; 8; 9; 11; 12; 13; 14
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 1 (Suppl 1, 1); 2; 3; 4; 5; 6; 8; 9; 11; 12; 13; 14
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