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Library of Congress
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Preserved
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2025-04-07
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23 (1, 3 to 5, 7); 24 (1, 3, 8, 11, 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 10); 29 (2, 5, 9); 30 (1, 3 to 12); 31 (1 to 10)
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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 9, 11, 12); 2 (1 to 9, 11, 12); 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 5 (Suppl 7, 1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (Suppl 11, 1 to 5, 7 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 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, 11, 12); 24 (1 to 3 to 5 to 9, 11, 12); 25 (1s, 2s, 3s, 4 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1, 2); 314 (5, 6); 315 (1, 2, 5); 316 (1)
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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 9, 11, 12); 2 (1 to 9, 11, 12); 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 5 (Suppl 7, 1 to 9, 11, 12); 6 (1 to 9, 11, 12); 7 (Suppl 11, 1 to 5, 7 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 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, 11, 12); 24 (1 to 3 to 5 to 9, 11, 12); 25 (1s, 2s, 3s, 4 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1, 2); 314 (5, 6); 315 (1, 2, 5); 316 (1)
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Internet Archive
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Preserved
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2025-08-08
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3
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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 27
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CLOCKSS Archive
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Preserved
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2026-02-09
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25 to 33
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 10(3-12), 2004: 11(1-12), 2005: 12(1-12), 2006: 13(1-12), 2007: 14(1-12), 2008: 15(1-12), 2009: 16(1-12, 16), 2010: 17(1-12), 2011: 18(1-12), 2012: 19(1-12), 2013: 20(1-12), 2014: 21(1-8, 10-12), 2015: 22(1-12), 2016: 23(2-7, 9-12), 2017: 24(1-12), 2018: 25(1-12), 2019: 26(1-12), 2020: 27(1-12), 2021: 28(1-12), 2022: 29(1-12), 2023: 30(1-12), 2024: 31(1-10, 12), 2025: 32(1-2, 4-12), 2026: 33(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 23
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