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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 1(1-2), 2001: 2(1-4), 2002: 3(1-4), 2003: 4(1-4), 2003: 5(1-4)
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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 1(1-2), 2001: 2(1-4), 2002: 3(1-4), 2003: 4(1-4), 2004: 5(1-7), 2005: 6(1-4), 2006: 7(1-4), 2007: 8(1-4), 2008: 9(1-4), 2009: 10(1-4), 2010: 11(1-4), 2011: 12(1-4), 2012: 13(1-4), 2013: 14(1-4), 2014: 15(1-4), 2015: 16(1-4), 2016: 17(1-12), 2017: 18(1-12), 2018: 19(1-12), 2019: 20(1-12), 2020: 21(1-12), 2021: 22(1-12), 2022: 23(1-12), 2023: 24(1-12), 2024: 25(1-12), 2025: 26(1-12), 2026: 27(1-3)
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CLOCKSS Archive
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Preserved
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2026-03-30
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1 to 5
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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 (1-4); 3 (2-4); 4 (1-4); 5 (5 to 7); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1, 3, 4); 14 (1 to 3); 15 (1 to 4); 16 (1 to 4); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1, 2)
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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?4, 2, 5 to 9, 11, 12); 3 (1, 2?4); 4 (1?4); 5 (5 to 7); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (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 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 12); 24 (1 to 9, 12); 25 (1 to 9, 11, 12); 26 (1 to 9)
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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?4, 2, 5 to 9, 11, 12); 3 (1, 2?4); 4 (1?4); 5 (5 to 7); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (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 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 12); 24 (1 to 9, 12); 25 (1 to 9, 11, 12); 26 (1 to 9)
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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, 2); 2 (1-4); 3 (2-4); 4 (1-4); 5
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Library of Congress
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Preserved
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2025-04-07
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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 9, 12); 18 (1, 3, 5, 6, 8 to 10, 12); 19 (1 to 6, 8, 10 to 12); 20 (1 to 5, 7, 8, 11, 12); 21 (1, 3, 5, 6, 8 to 10, 12); 22 (1 to 12); 23 (2 to 12); 24 (1, 8 to 11); 25 (4, 5)
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CLOCKSS Archive
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Preserved
|
2026-03-30
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1 to 10, 12 to 27
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