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Library of Congress
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Preserved
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2025-04-07
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11 (4 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (S1, 1, 2, S2, 3 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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|
|
Preserved : 1 (1 to 8); 2 (1 to 6); 3 (1 to 8); 4 (1 to 8); 5 (1 to 8); 6 (1 to 8); 7 (1 to 8); 8 (1 to 8); 9 (1 to 8); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (Suppl 2, 1 to 8); 16 (1 to 8); 17 (1 to 5); 18 (1 to 7)
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|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 1 (1 to 8); 2 (1 to 6); 3 (1 to 8); 4 (1 to 8); 5 (1 to 8); 6 (1 to 8); 7 (1 to 8); 8 (1 to 8); 9 (1 to 8); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (Suppl 2, 1 to 8); 16 (1 to 8); 17 (1 to 5); 18 (1 to 7)
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|
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National Digital Preservation Program, China
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|
Preserved
|
2025-10-23
|
|
|
Preserved : 2 (2, 3, 5, 6); 3 (1 to 8); 4 (1 to 8); 5 (1, 2)
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|
|
National Digital Preservation Program, China
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|
Preserved
|
2025-12-04
|
|
|
Preserved : 2 (2, 3, 5, 6); 3 (1 to 8); 4 (1 to 8); 5 (1, 2)
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|
|
National Library of the Netherlands
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|
Preserved
|
2024-12-15
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|
|
Preserved : 1 (1-6); 2 (1-6); 3 (1-8); 4 (1-8); 5 (1-8); 6 (1-8); 7 (2-8); 8 (1-8); 9 (1-8); 10 (1-8); 11 (1-8); 12 (1-8); 13 (1-4)
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|
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Scholars Portal
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|
Preserved
|
2026-03-19
|
|
|
Preserved : 1 (1 to 6); 2 (1 to 6); 3 (1 to 8); 4 (1 to 8); 5 (1 to 8); 6 (1 to 8); 7 (1 to 8); 8 (1 to 8); 9 (1 to 8); 10 (1 to 8); 11 (1 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (Suppl, 1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 7)
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|
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Portico
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Preserved
|
2026-04-16
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Preserved : 2007: 1(1-6), 2008: 2(1-6), 2009: 3(1-8), 2010: 4(1-8), 2011: 5(1-8), 2012: 6(1-4, 6-8), 2013: 7(1-8), 2014: 8(1-5), 2015: 9(1-8), 2016: 10(1-8), 2017: 11(1-5, 7-8), 2018: 12(1-8), 2019/2020: 13(1-8), 2020: 14(1-8), 2021: 15(1, S 1, 2, S 2, 3-8), 2022: 16(1-8), 2023: 17(1-8), 2024: 18(1-4, 7-8), 2025: 19(1-7)
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CLOCKSS Archive
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|
Preserved
|
2026-04-13
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1 to 20
|
|
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LOCKSS Archive
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|
In Progress
|
2026-04-13
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|
|
6, 13
|
|
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LOCKSS Archive
|
|
Preserved
|
2026-04-13
|
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|
7 to 12
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