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Library of Congress
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Preserved
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2025-04-07
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16 (1, 2-3); 17 (1, 2-3); 18 (1, 2-3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 30 (1, 2)
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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, 2); 2 (1 to 3); 3 (1 to 3); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1, 2-3); 12 (1, 2-3); 13 (1, 2-3); 14 (1, 2-3); 15 (1, 2-3); 16 (1, 2-3); 17 (1, 2-3); 18 (1, 2-3); 19 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3)
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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, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2-3); 12 (1, 2-3); 13 (1, 2-3); 14 (1, 2-3); 27 (80)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3 (1, 2); 4 (, 1, 2); 5 (, 1, 2); 6 (, 1, 2); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1, 2); 10 (, 1, 2); 11 (, 1, 2-3); 12 (, 1, 2-3); 13 (, 1, 2-3); 14 (, 1, 2-3); 15 (, 1, 2-3); 16 (, 1, 2-3); 17 (, 1); 18 (, 1, 2-3); 19 (, 1 to 3); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1, 2); 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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LOCKSS Archive
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Preserved
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2026-02-09
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3 to 30
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CLOCKSS Archive
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Preserved
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2026-02-09
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3 to 31
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LOCKSS Archive
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In Progress
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2026-02-09
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31
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 3(1-2), 1998: 4(1-2), 1999: 5(1-2), 2000: 6(1-2), 2001: 7(1-2), 2002: 8(1-2), 2003: 9(1-2), 2004: 10(1-2), 2005: 11(1-3), 2006: 12(1-3), 2007: 13(1-3), 2008: 14(1-3), 2009: 15(1), 2010: 16(1-3), 2011: 17(1-3), 2012: 18(1-3), 2013: 19(1-3), 2014: 20(1-3), 2015: 21(1-3), 2016: 22(1-3), 2017: 23(1-3), 2018: 24(1-3), 2019: 25(1-3), 2020: 26(1-3), 2021: 27(1-3), 2022: 28(1-3), 2023: 29(1-3), 2024: 30(1-3), 2025: 31(1-2)
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