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Internet Archive
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Preserved
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2025-08-08
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8 to 28
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1; 2; 3; 4 (2); 5 (1, 2); 6 (1); 7; 8 (2); 9 (1, 2); 10 (1-2); 11 (2); 12 (1, 2); 18 (1-2); 19 (2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1-2); 24 (2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45; 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 50 (1, 2); 51 (1-2); 52 (2); 53 (1, 2); 54 (1-2); 55 (2); 56 (1, 2); 57 (1, 2); 58 (1, 2)
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 57
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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 to 58
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LOCKSS Archive
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In Progress
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2026-04-13
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58
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Portico
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Preserved
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2026-04-16
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Preserved : 1999: 32(1-2), 2000: 33(1-2), 2001: 34(1-2), 2002: 35(1-2), 2003: 36(1-2), 2004: 37(1-2), 2005: 38(1-2), 2006: 39(1-2), 2007: 40(1-2), 2008: 41(1-2), 2009: 42(1-2), 2010: 43(1-2), 2011: 44(1-2), 2012: 45(1-2), 2013: 46(1-2), 2014: 47(1-2), 2015: 48(1-2), 2016: 49(1-2), 2017: 50(1-2), 2018: 51(1-2), 2019: 52(1-2), 2020: 53(1-2), 2021: 54(1-2), 2022: 55(1-2), 2023: 56(1-2), 2024: 57(1-2), 2025: 58(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 : 3 (1, 2); 4 (1, 2); 5 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 51 (1-2); 52 (2); 53 (1, 2); 54 (1-2); 55 (2); 56 (1, 2); 57 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 50 (1, 2); 51 (1-2); 52 (1, 2); 53 (1, 2); 54 (1-2); 55 (1, 2); 56 (1, 2); 57 (1)
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