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Internet Archive
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Preserved
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2025-08-08
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4 to 10
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 4 (2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (sup1, 1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1, 2); 18 (1 to 3); 19 (1 to 4); 20 (1, 2, 4); 21 (2 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1)
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LOCKSS Archive
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Preserved
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2026-04-13
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4 to 29
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CLOCKSS Archive
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Preserved
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2026-04-13
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ahead-of-print, 4 to 30
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LOCKSS Archive
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In Progress
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2026-04-13
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30, 31
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Portico
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Preserved
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2026-04-16
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Preserved : 1999: 4(1-2), 2000: 5(1-2), 2001: 6(1-2), 2002: 7(1-2), 2003/2004: 8(1-2), 2004: 9(1-2), 2005/2006: 10(1-2), 2006: 11(1-2), 2007: 12(1-2), 2008/2009: 13(1-3), 2009/2010: 14(1-3), 2010: 15(1-3), 2011: 16(1-3), 2012: 17(1-2), 2013: 18(1-3), 2014: 19(1-4), 2015: 20(1-4), 2016: 21(1-4), 2017: 22(1-4), 2018: 23(1-4), 2019: 24(1-4), 2020: 25(1-4), 2021: 26(1-4), 2022: 27(1-4), 2023: 28(1-4), 2024: 29(1-4), 2025: 30(1-4), 2026: 31(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, 2); 2 (1 to 4); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 11 (1, 2); 12 (1, 2); 13 (sup1, 1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1, 2); 18 (1 to 3); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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14 (3); 15 (1 to 3); 16 (1 to 3); 17 (1, 2); 18 (1 to 3); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 3)
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