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Portico
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Preserved
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2026-04-09
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Preserved : 2003: 38(1-4), 2004: 39(1-4), 2005: 40(1-4), 2006: 41(1-4), 2007: 42(1-4), 2008: 43(1-4), 2009: 44(1-4), 2010: 45(1-4), 2011: 46(1-4), 2012: 47(1-4), 2013: 48(2-4), 2014: 49(1-4), 2015: 50(1-4), 2016: 51(1-4), 2017: 52(1-4), 2018: 53(1-4), 2019: 54(1-4), 2020: 55(1-4), 2021: 56(1-4), 2022: 57(1-4), 2023: 58(2-4), 2024: 59(1-4), 2025: 60(1-4), 2026: 61(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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47 to 50
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LOCKSS Archive
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In Progress
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2026-04-06
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38 to 55
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CLOCKSS Archive
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Preserved
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2026-04-06
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38 to 61
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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 : 59 (1 to 4)
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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 : 59 (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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51 (4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 58 (2 to 4); 59 (1 to 4)
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