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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 19
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CLOCKSS Archive
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In Progress
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2026-04-06
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1, 2, 12 to 21
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CLOCKSS Archive
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Preserved
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2026-04-06
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3 to 11
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LOCKSS Archive
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In Progress
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2026-04-06
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20, 21
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Portico
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Preserved
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2026-04-02
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Preserved : 2006: 1(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 2(1-3), 2008: 3(1-2), 2009: 4(1-4), 2010: 5(1-14), 2011: 6(1-5), 2012: 7(1-2), 2013: 8(1-3), 2014: 9(1-3), 2015: 10(1-3), 2016: 11(1-3), 2017: 12(1-3), 2018: 13(1-4), 2019: 14(1-4), 2020: 15(1-4), 2021: 16(1-4), 2022: 17(1-4), 2023: 18(1-4), 2024: 19(1-4), 2025: 20(1-4), 2026: 21(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 (1); 2 (2, 3); 3 (1, 2); 4 (1 to 4); 5 (1 to 14); 6 (1 to 5); 7 (1, 2); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (2 to 4); 20 (1 to 4); 21 (1)
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Library of Congress
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Preserved
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2025-04-07
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5 (1 to 14); 6 (1 to 5); 7 (1, 2); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1)
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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 : 5 (12); 7 (1, 2); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-4); 14 (1-4)
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British Library
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Preserved
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2019-09-18
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Preserved : 9 (1 to 3), 10 (1 to 3), 11 (1 to 3), 12 (1 to 3), 13 (1 to 3)
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