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Internet Archive
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Preserved
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2025-08-08
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1
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2 to 4); 2 (1 to 6); 3 (1 to 6); 4 (1 to 10); 5 (1 to 12); 6 (1 to 12); 7 (1 to 12); 8 (1 to 12); 9 (sup8, 1 to 12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 16); 13 (sup6, 1 to 16); 14 (sup9, 1 to 18); 15 (1 to 18); 16 (1 to 18); 17 (1 to 18); 18 (1 to 18); 19 (1 to 18); 20 (1 to 6, 7-9, 10 to 18); 21 (1)
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CLOCKSS Archive
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In Progress
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2026-04-06
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1 to 6, 15 to 18
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 18
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CLOCKSS Archive
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Preserved
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2026-04-06
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7 to 14
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 20
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LOCKSS Archive
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Preserved
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2026-04-06
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19, 20
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LOCKSS Archive
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In Progress
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2026-04-06
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21
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Portico
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Preserved
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2026-04-09
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Preserved : 2006: 1(1-4), 2007: 2(1-6), 2008: 3(1-6), 2009: 4(1-10), 2010: 5(1-12), 2011: 6(1-12), 2012: 7(1-12), 2013: 8(1-12), 2014: 9(1-12), 2015: 10(1-12), 2016: 11(1-12), 2017: 12(1-16), 2018: 13(1-16), 2019: 14(1-18), 2020: 15(1-18), 2021: 16(1-18), 2022: 17(1-18), 2023: 18(1-18), 2024: 19(1-18), 2025: 20(1-18), 2026: 21(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 (1 to 9, 11, 12); 2 (1 to 6); 3 (1 to 6); 4 (1 to 9); 5 (1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9); 12 (1, 2, 5 to 9, 11 to 16); 13 (1 to 9, 13 to 16); 14 (1, 4 to 6, 11 to 18); 15 (1 to 9, 11 to 18); 16 (1 to 9, 11 to 18); 17 (1 to 7, 9, 11 to 16)
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British Library
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Preserved
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2019-09-18
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Preserved : 2 (1; 4 to 6), 3 (1 to 6), 4 (1 to 10), 5 (1 to 12), 6 (1 to 12), 7 (1 to 12), 8 (1 to 12), 9 (1 to 12), 10 (1 to 12)
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