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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 47 (2 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 12); 52 (1 to 12); 53 (1 to 12); 54 (1 to 13); 55 (1 to 12); 56 (1 to 12); 57 (1 to 4, 6 to 12); 58 (1 to 12); 59 (1 to 12); 60 (1 to 12); 61 (1 to 4, 6 to 12); 62 (1 to 12); 63 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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47 to 63
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Portico
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Preserved
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2026-04-16
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Preserved : 2010: 47(1-6), 2011: 48(1-6), 2012: 49(1-6), 2013: 50(1-6), 2014: 51(1-12), 2015: 52(2-12), 2016: 53(1-12), 2017: 54(1-13), 2018: 55(1-12), 2019: 56(1-12), 2019/2020: 57(1-12), 2021: 58(1-12), 2022: 59(1-12), 2023: 60(1-12), 2024: 61(1-12), 2025: 62(1-3, 5-12), 2026: 63(1-4)
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LOCKSS Archive
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In Progress
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2026-04-13
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49, 56
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LOCKSS Archive
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Preserved
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2026-04-13
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51 to 55
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Library of Congress
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Preserved
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2025-04-07
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53 (3); 55 (3 to 12); 56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 12); 60 (1 to 12); 61 (1 to 12)
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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 : 47 (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 : 47 (1, 2)
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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 : 5 (1 to 6); 6 (1 to 9, 11, 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11 to 13); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12)
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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 : 5 (1 to 6); 6 (1 to 9, 11, 12); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11 to 13); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12)
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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 : 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-6); 51 (1-12); 52 (1-12); 53 (1-12); 54 (1-13); 55 (1-12); 56 (1-12)
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