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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 20
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Internet Archive
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Preserved
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2025-08-08
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5 to 6
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 1(1-2), 2015: 2015(1), 2016: 2016(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 2019(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2025: 2025(1), 2026: 2026(1)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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1993-2019
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Portico
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Preserved
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2026-02-12
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Preserved : 1993/1994: 1(1-6, ), 1995: 2(1-6), 1996: 3(1-6), 1997: 4(1-6), 1998: 5(1-6), 1999: 6(1-6), 2000: 7(1-6), 2001: 8(1-6), 2002: 9(1-6), 2003: 10(1-6), 2004: 11(1-6), 2005: 12(1-6), 2006: 13(1-6), 2007: 14(1-6), 2008: 15(1-6), 2009: 16(1-6), 2010: 17(1-6), 2011: 18(1-6), 2012: 19(1-6), 2013: 20(1-6), 2014: 2014, 2015: 2015, 2015: 2016, 2017: 2017, 2018: 2018, 2019: 2019, 2020: 2020, 2021: 2021, 2022: 2022, 2023: 2023, 2024: 2024, 2025: 2025, 2026: 2026
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CLOCKSS Archive
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Preserved
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2026-02-09
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20, 2019, 2020
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LOCKSS Archive
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Preserved
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2026-02-09
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20, 2014 to 2023
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CLOCKSS Archive
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In Progress
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2026-02-09
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2014 to 2018, 2021 to 2023
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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 to 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 4, 5-6); 5 (1 to 4, 5,6); 6 (1 to 4, 5,6); 7 (1 to 6); 8 (1, 2, 3,4, 5, 6); 9 (1,2, 4,5, 6); 11 (1, 2, 3,4, 5,6); 12 (1 to 6); 13 (1 to 3, 4,5, 6); 14 (1 to 6); 15 (1, 2, 3,4, 5, 6); 16 (1 to 6); 17 (1 to 3, 4,5, 6); 18 (1,2, 3 to 6); 19 (1 to 6)
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Library of Congress
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Preserved
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2025-04-07
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15 (1 to 3-4, 5, 6); 16 (1 to 6); 17 (1 to 4-5, 6); 18 (1-2, 3 to 6); 19 (1 to 6); 20 (1 to 6); 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
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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 (1-6); 2 (1-6); 3 (1-6); 4 (1-4, 5-6); 5 (1-4, 5-6); 6 (1, 2, 4, 5-6); 7 (3, 4, 6); 8 (1, 2, 3-4, 5, 6); 9 (1-2, 3, 4-5, 6); 10 (1-4, 5-6); 11 (1, 2, 3-4, 5-6); 12 (1-6); 13 (1-3, 4-5, 6); 14 (1-6); 15 (1, 2, 3-4, 5, 6); 16 (1-6); 17 (1-3, 4-5); 18 (3-6); 19 (2-6); 20 (2-6)
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