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Portico
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Preserved
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2026-04-09
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Preserved : 2004/2005: 1(1-4), 2006: 2(1-4), 2007: 3(1-4), 2008: 4(1-4), 2009: 5(1), 2010: 6(1, S 1, 2, S 2, 3, S 3, 4, S 4), 2011: 7(1, S 1, 2, S 2)
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Portico
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Preserved
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2026-04-09
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Preserved : 2012: 8(1, S 1), 2013: 9(1), 2014: 10(1, S 1, 2), 2015: 11(1)
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Portico
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Preserved
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2026-04-09
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Preserved : 2016: 12(1-2), 2017: 13(1-2), 2018: 14(1-2), 2019: 15(1-4), 2020: 16(1, S 1), 2021: 17(1, S 1), 2022: 18(1, S 1), 2023: 19(1, S 1), 2024: 20(1, S 1, S 2, S 3), 2025/2026: 21(1, S 1, S 2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 22
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Scholars Portal
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Preserved
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2026-03-19
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Preserved :
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 8
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CLOCKSS Archive
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Preserved
|
2026-04-06
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4 to 10
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LOCKSS Archive
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Preserved
|
2026-04-06
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9 to 14
|
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LOCKSS Archive
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In Progress
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2026-04-06
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15
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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 (2 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1); 6 (2 to 4); 7 (1, 2); 8 (1); 9; 11; 12 (2); 13 (1, 2); 14 (1, 2); 15 (1, 2, 4); 16 (Suppl 1, 1); 17 (Suppl 1, 1); 18 (Suppl 1, 1); 19 (Suppl 1, 1)
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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 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1); 6 (2 to 4); 7 (1, 2); 8 (1); 9; 11; 12 (2); 13 (1, 2); 14 (1, 2); 15 (1, 2, 4); 16 (Suppl 1, 1); 17 (Suppl 1, 1); 18 (Suppl 1, 1); 19 (Suppl 1, 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 (Suppl 1, 1); 6 (Suppl 1, 1); 7 (Suppl 2, 1); 8 (Suppl 1, 1); 9; 11; 12 (Suppl 1, 1); 13 (Suppl 1, 1); 15 (Suppl 3, 1); 16 (Suppl 1, 1); 17 (Suppl 1, 1); 18 (Suppl 1, 1); 19 (Suppl 1, 1); 21 (Suppl 1, 1)
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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 (Suppl 1, 1); 6 (Suppl 1, 1); 7 (Suppl 2, 1); 8 (Suppl 1, 1); 9; 11; 12 (Suppl 1, 1); 13 (Suppl 1, 1); 15 (Suppl 3, 1); 16 (Suppl 1, 1); 17 (Suppl 1, 1); 18 (Suppl 1, 1); 19 (Suppl 1, 1); 21 (Suppl 1, 1)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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|
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Preserved : 1 (2, 4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1); 6; 7; 8; 9; 10
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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 to 4), 3 (1 to 4), 4 (1 to 4), 5 (1), 6 (1; Supp 1 to Supp 4), 7 (1; Supp 1 to Supp 2), 8 (1; Supp 1), 9 (1), 10 (1; Supp 1 to Supp 2)
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Library of Congress
|
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Preserved
|
2025-04-07
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|
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6 (1, S1, S2, S3, S4); 7 (S1, 1, S2); 8 (1, S1); 9 (1); 10 (1, S1, S2); 11 (1); 12 (S1, 1, S2); 13 (1, S1, S2); 14 (S1, 1, S2); 15 (S1, 1, S2, S3, S4); 16 (1, S1); 17 (1, S1); 18 (S1, 1); 19 (S1, 1); 20 (1, S1, S2, S3); 21 (1)
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