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Portico
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Preserved
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2026-02-12
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Preserved : 1997/1998: 1(1-4), 1998/1999: 2(1-4), 2000: 3(1-4), 2001/2002: 4(1-4), 2002/2003: 5(1-4), 2003/2004: 6(1-4), 2004/2005: 7(1-4), 2005/2006: 8(1-4), 2006: 9(1-4), 2007: 10(1-4), 2008: 11(1-4), 2009/2010: 12(1-4), 2010/2011: 13(1-4), 2011: 14(1-4), 2012: 15(1-4), 2013: 16(2-4), 2014: 17(1-3), 2015: 18(2-4), 2016: 19(1-4), 2017: 20(1-4), 2018: 21(1-4), 2019: 22(1-4), 2020: 23(1-4), 2021: 24(1-4), 2022: 25(1-4), 2023: 26(1-4), 2024: 27(1-4), 2025: 28(1-4), 2026: 29(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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15 to 18
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 21, 23
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 28
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LOCKSS Archive
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Preserved
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2026-02-09
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22
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Library of Congress
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Preserved
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2025-04-07
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19 (3, 4); 20 (1 to 3-4); 21 (2 to 4); 22 (1 to 3); 23 (1 to 4); 24 (1 to 3); 26 (2 to 4); 27 (1 to 3)
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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 : 27 (1 to 4)
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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 : 27 (1 to 4)
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