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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 3
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Portico
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Preserved
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2026-04-02
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Preserved : 2001: 1(1-4), 2002: 2(1-4), 2003: 3(1, S 1, 2, S 2, 3-4)
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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 to 4); 2 (1, 2, 4); 3 (sup1, 1 to 4); 4 (1 to 4); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (sup1, 1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (sup01, 1 to 3); 13 (sup01, 1 to 6); 14 (1 to 6); 15 (sup1, 1 to 6); 16 (sup1, 1, 2, 5 to 8); 17 (sup1, 1 to 8); 18 (sup1, 2 to 10); 19 (sup1, 1 to 10); 20 (S1, 1 to 3, 5 to 10); 21 (1 to 10); 22 (1 to 8, 9-10); 23 (1 to 10); 24 (1 to 10); 25 (1 to 10); 26 (1, 2)
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 24
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CLOCKSS Archive
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Preserved
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2026-04-06
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ahead-of-print to 25
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LOCKSS Archive
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In Progress
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2026-04-06
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25, 26
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Portico
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Preserved
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2026-04-02
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Preserved : 2002: 2(1-3), 2003: 3(1-3), 2004: 4(1-3)
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Portico
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Preserved
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2026-04-02
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Preserved : 2005: 5(1-3), 2006: 6(1-6), 2007: 7(1-6), 2008: 8(1-6)
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Portico
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Preserved
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2026-04-02
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Preserved : 2009: 9(1-6), 2010: 10(1-6), 2011: 11(1-6), 2012: 12(1-6), 2013: 13(1-6), 2014: 14(1-6), 2015: 15(1-6), 2016: 16(1-8), 2017: 17(1-8), 2018: 18(1-10), 2019: 19(1-10), 2020: 20(1-10), 2021: 21(1-10), 2022: 22(1-10), 2023: 23(1-10), 2024: 24(1-10), 2025: 25(1-10), 2026: 26(1-3)
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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 6); 2 (S1, 1 to 3 to 9); 3 (sup1, 1 to 4); 4 (1 to 4); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (sup1, 1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (sup1, 1 to 6); 13 (sup1, 1 to 6); 14 (1 to 6); 15 (sup1, 1 to 6); 16 (sup1, 1 to 8); 17 (sup1, 1 to 8); 18 (sup1, 1 to 9); 19 (sup1, 1 to 9); 21 (1 to 9); 22 (1 to 8, 9-1); 23 (1 to 7, 9); 24 (1 to 9); 25 (1, 2, 4)
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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 (1-4); 2 (1, 2-3, 4); 3 (S1, 1-4)
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Library of Congress
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Preserved
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2025-04-07
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10 (1 to 6); 11 (1 to 6); 12 (sup01, 1 to 6); 13 (sup01, 1 to 6); 14 (1 to 6); 15 (sup1, 1 to 6); 16 (sup1, 1 to 8); 17 (sup1, 1 to 8); 18 (sup1, 1 to 10); 19 (sup1, 1 to 10); 20 (S1, sup1, 1 to 10); 21 (1 to 10); 22 (1 to 9-10); 23 (1 to 10); 24 (1 to 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 2; 4), 3 (1 to 4), 4 (1 to 4), 5 (1 to 6), 6 (1 to 6), 7 (1 to 6), 8 (1; 1x1; 2 to 3; 5 to 6), 9 (1 to 6), 10 (1 to 6), 11 (1 to 6)
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