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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 60 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 70 (1 to 4)
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LOCKSS Archive
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In Progress
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2026-04-13
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Internet Archive
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Preserved
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2025-08-08
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2 to 39
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CLOCKSS Archive
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Preserved
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2026-04-13
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51 to 70
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Portico
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Preserved
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2026-04-23
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Preserved : 2006: 51(1-6), 2007: 52(1-6), 2008: 53(1-6), 2009: 54(1-6), 2010: 55(1-6), 2011: 56(1-6), 2012: 57(1-3, 5-6), 2013: 58(1-6), 2014: 59(1-3, 6), 2015: 60(1-6), 2016: 61(1-6), 2017: 62(1-6), 2018: 63(1-6), 2019/2020: 64(1-6), 2020: 65(1-6), 2021: 66(1-6), 2022: 67(1-6), 2023: 68(1-6), 2024: 69(1-3), 2025: 70(1-6)
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Library of Congress
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Preserved
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2025-04-07
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62 (6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (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 : 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (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 : 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 4)
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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 : 6 (1 to 6); 51 (Suppl 1, 1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 4); 69 (1 to 3)
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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 : 6 (1 to 6); 51 (Suppl 1, 1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 4); 69 (1 to 3)
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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 : 51 (1, 3-6); 52 (2-6); 53 (1-6); 54 (1-6); 55 (1-6); 56 (1-6); 57 (1-6); 58 (1-6); 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1-4)
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