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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, 3-4); 2 (1 to 4); 3 (1, 2, 3-4); 4 (1 to 4); 5 (1 to 4); 6 (1, 2, 3-4); 7 (1 to 4); 8 (1 to 4); 9 (1, 2-3, 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (1, 2, 3-4, 5, 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 4, 5-6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (2 to 6); 29 (1 to 6); 30 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-03-30
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1 to 30
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Portico
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Preserved
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2026-04-02
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Preserved : 1998: 2(3)
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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 4(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 2004: 8(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 2006: 10(4), 2007: 11(2)
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Portico
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Preserved
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2026-04-02
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Preserved : 2008: 12(3-4), 2009: 13(1-4), 2010: 14(1-4), 2011: 15(1-4), 2012: 16(1-3), 2013: 17(1-6), 2014: 18(1-6), 2015: 19(1-6), 2016: 20(1-6), 2017: 21(1-6), 2018: 22(1-6), 2019: 23(1-6), 2019/2020: 24(1-6), 2021: 25(1-6), 2022: 26(1-6), 2023: 27(2-6), 2024: 28(1-4), 2025: 29(1-6), 2025/2026: 30(1-2)
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LOCKSS Archive
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In Progress
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2026-03-30
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16, 23
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LOCKSS Archive
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Preserved
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2026-03-30
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17 to 22
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Library of Congress
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Preserved
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2025-04-07
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22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 4)
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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 (1 to 4); 2 (1 to 6); 3 (1 to 3); 4 (1 to 4); 5 (1 to 4); 6 (1 to 3); 7 (1 to 4); 8 (1 to 4); 9 (1, 2, 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 3, 5, 6); 19 (1 to 6); 21 (1 to 5); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6)
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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 4); 2 (1 to 6); 3 (1 to 3); 4 (1 to 4); 5 (1 to 4); 6 (1 to 3); 7 (1 to 4); 8 (1 to 4); 9 (1, 2, 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 3, 5, 6); 19 (1 to 6); 21 (1 to 5); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6)
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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 (1-3); 2 (1-4); 3 (1-3); 4 (1-4); 5 (1-4); 6 (1-3); 7 (1-4); 8 (1, 3, 4); 9 (1, 2-3, 4); 10 (1, 2, 4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1, 3-6); 18 (1, 2, 3-4, 5, 6); 19 (1-6); 20 (1-6); 21 (1-4, 5-6); 22 (1-6); 23 (1-5)
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