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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 62 (1, 2); 63 (1, 2); 64 (1, 2); 65 (1, 2); 66 (1, 2); 67 (1, 2); 68 (1, 2); 69 (1, 2); 70 (1, 2); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4)
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LOCKSS Archive
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In Progress
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2026-04-27
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Portico
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Preserved
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2026-04-23
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Preserved : 2009: 62(1-2), 2010: 63(1-2), 2011: 64(1-2), 2012: 65(1-2), 2013: 66(1-2), 2014: 67(1-2), 2015: 68(1-2), 2016: 69(1-2), 2017: 70(1-2), 2018: 71(1-4), 2019: 72(1-2), 2019: 73(1)
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CLOCKSS Archive
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Preserved
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2026-04-27
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62 to 78
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Library of Congress
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Preserved
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2025-04-07
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70 (2); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (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 : 62 (2); 63 (1, 2); 64 (1, 2); 65 (1, 2); 66 (1, 2); 67 (1, 2); 68 (1, 2); 69 (1, 2); 70 (1, 2); 71 (1-4); 72 (1-3)
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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 : 62 (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 : 62 (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 : 7 (2); 63 (1, 2); 64 (1, 2); 65 (1, 2); 66 (1, 2); 67 (1, 2); 68 (1, 2); 69 (1, 2); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (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 : 7 (2); 63 (1, 2); 64 (1, 2); 65 (1, 2); 66 (1, 2); 67 (1, 2); 68 (1, 2); 69 (1, 2); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4)
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