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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4)
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LOCKSS Archive
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In Progress
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2026-05-04
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48 to 55
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CLOCKSS Archive
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Preserved
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2026-05-04
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48 to 61
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Portico
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Preserved
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2026-05-07
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Preserved : 2013: 48(1-4), 2014: 49(1-4), 2015: 50(1-4), 2016: 51(1-4), 2017: 52(1-4), 2018: 53(1-4), 2019: 54(1-4), 2019/2020: 55(1-4), 2021: 56(1-4), 2022: 57(1-3), 2023: 58(1-4), 2024: 59(1-4), 2025: 60(1-4), 2026: 61(1)
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Library of Congress
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Preserved
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2025-04-07
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53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 3)
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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 : 54 (1 to 4); 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 : 54 (1 to 4); 59 (1 to 4)
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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 : 48 (2-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-3)
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