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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 33 (1-4); 34 (2 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1-4); 38 (2, 3-4); 39 (1 to 4); 40 (1-2, 3, 4); 41 (1 to 4); 42 (1, 2, 3-4); 43 (1, 2, 3-4); 44 (1, 2, 3-4); 45 (1-2, 3, 4); 46 (1 to 4); 47 (1 to 3); 48 (1, 2-3, 4); 49 (1-4); 50 (2 to 4); 51 (1 to 4); 52 (1, 2, 3-4); 53 (1, 2, 3/4); 54 (1, 2/3, 4); 55 (1 to 4); 56 (1 to 4); 57 (1, 2, 3-4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4)
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Portico
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Preserved
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2026-04-09
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Preserved : 1999: 53(1-4), 2000: 54(1-4), 2001/2002: 55(1-4), 2002/2003: 56(1-4), 2003: 57(1-4), 2004: 58(1-4), 2005: 59(1-4), 2006: 60(1-4), 2007: 61(1-4), 2008: 62(1-4), 2009: 63(1-4), 2010: 64(1-4), 2011: 65(1-4), 2012: 66(1-4), 2013: 67(1-4), 2014: 68(1-4), 2015: 69(1-4), 2016: 70(1), 2017: 71(1), 2018: 72(1), 2019: 73(1), 2020: 74(1), 2021: 75(1)
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LOCKSS Archive
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In Progress
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2026-04-06
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66, 73
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LOCKSS Archive
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Preserved
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2026-04-06
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67 to 72
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Library of Congress
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Preserved
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2025-04-07
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72 (1); 73 (1); 74 (1); 75 (1)
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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; 61 (2); 63 (1); 64 (2); 65; 68 (4); 69 (1, 4); 71 (1); 72; 73; 74; 75
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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; 61 (2); 63 (1); 64 (2); 65; 68 (4); 69 (1, 4); 71 (1); 72; 73; 74; 75
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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 4); 7 (1); 51 (2 to 4); 52 (1 to 3); 53 (1 to 3); 54 (1, 2, 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 3); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (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 : 6 (1 to 4); 7 (1); 51 (2 to 4); 52 (1 to 3); 53 (1 to 3); 54 (1, 2, 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 3); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (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 : 73; 74; 75
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 73; 74; 75
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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 : 53 (1, 2, 3-4); 54 (1, 2-3, 4); 55 (1-4); 56 (1-4); 57 (1, 2, 3-4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (supplement-1, 1-4); 63 (1-4); 64 (1-4); 65 (1-4); 66 (1-4); 67 (1-4); 68 (1-4); 69 (1-4)
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