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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 12
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 07 (01); 08 (, 01, 03); 13 (, 01, 02, 03, 04); 14 (, 01, 02, 03, 04); 15 (, 01, 02, 05, 06); 16 (, 01, 02, 03, 04, 05, 06); 17 (, 01, 02, 03, 04, 05, 06); 18 (, 01, 02, 03, 04, 05, 06); 19 (, 01, 02, 03, 04, 05, 06); 20 (, 01, 02, 03, 04, 05, 06); 21 (, 01, 02, 03, 04, 05, 06); 22 (, 01, 02, 03, 04, 05, 06); 2009; 2010; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 17
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 22
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CLOCKSS Archive
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In Progress
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2026-02-09
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18 to 22
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 1(1-2), 2004: 2(1-4), 2005: 3(1-4), 2006: 4(1-4), 2007: 5(1-4), 2008: 6(1-4), 2009: 7(1-4), 2010: 8(1-4), 2011: 9(1-4), 2012: 10(1-4), 2013: 11(1-4), 2014: 12(1-4), 2015: 13(1-4), 2016: 14(1-4), 2017: 15(1-6), 2018: 16(1-6), 2019: 17(1-6), 2020: 18(1-6), 2021: 19(1-6), 2022: 20(1-5), 2023: 21(1-6), 2024: 22(1-6)
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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 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 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, 2); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-3); 9 (4); 10 (2-4); 11 (1-4); 12 (1, 2, 4)
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