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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 65 (12); 66 (1 to 12); 67 (1 to 12); 68 (1 to 12); 69 (1 to 12); 70 (1 to 12); 71 (Suppl, 1 to 12); 72 (1 to 13); 73 (1 to 13); 74 (1 to 13); 75 (1 to 13); 76 (1 to 13); 77 (1 to 13); 78 (1 to 13); 79 (1 to 13); 80 (1 to 13); 81 (1 to 13); 82 (1 to 13); 83 (1 to 11, 12-13); 84 (1 to 11, 12-13); 85 (Suppl, 1 to 11, 12-13); 86 (Suppl, 1 to 11, 12-13); 87 (Suppl, 1 to 11, 12-13); 88 (Suppl, 1 to 11, 12-13); 89 (Suppl, 1 to 12); 90 (Suppl, 1 to 12); 91 (Suppl, 1, 2)
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Internet Archive
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Preserved
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2025-08-08
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21 to 71
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CLOCKSS Archive
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Preserved
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2026-04-06
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65 to 91
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Portico
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Preserved
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2026-04-09
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Preserved : 2002: 67(3, 5-6), 2003: 68(4, 6), 2004: 69(3-4), 2005: 70(3, 10-11), 2006: 71(S 1, 4-5, 11), 2007: 72(3, 6, 9), 2008: 73(1, 5, 9, 11), 2009: 74(1, 12-13), 2010: 75(11, 13), 2011: 76(3, 7), 2012: 77(6, 8-13), 2013: 78(1-13), 2014: 79(1-9, 12), 2015: 80(2-13), 2016: 81(1-13), 2017: 82(1-13), 2018: 83(1-13), 2019: 84(1-13), 2020: 85(1, S 1, 2-13), 2021: 86(1, S 1, 2-5, 7-13), 2022: 87(1, S 1, 2-13), 2023: 88(1, S 1, 2-13), 2024: 89(1, S 1, 2-5, 7-12), 2025: 90(S 1, 2, S 2, 3-12), 2026: 91(1, S 1, 2-3)
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LOCKSS Archive
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In Progress
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2026-04-06
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77, 84
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LOCKSS Archive
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Preserved
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2026-04-06
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78 to 83
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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 : 13 (3); 47 (8); 65 (12); 66 (1-12); 67 (1-12); 68 (1-12); 69 (1-12); 70 (1-12); 71 (supplement-1, 1-10); 72 (1-3, 5-10, 12, 13); 73 (1-13); 74 (1-8, 10-13); 75 (1-13); 76 (1-13); 77 (1-13); 78 (1-13); 79 (1-13); 80 (1-13); 81 (1-13); 82 (1-13); 83 (supplement-1, 1-11, 12-13); 84 (supplement-1, 1-11)
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Library of Congress
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Preserved
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2025-04-07
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83 (1, S1, 2 to 12-13); 84 (1, S1, 2 to 12-13); 85 (1, S1, 2 to 12-13); 86 (1, S1, 2 to 12-13); 87 (S1, 1 to 12-13); 88 (1, S1, 2 to 12-13); 89 (S1, 1 to 9)
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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 (1 to 9, 11, 12); 8 (1 to 9, 11 to 13); 65 (12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11 to 13); 73 (1 to 9, 11 to 13); 74 (1 to 9, 11 to 13); 75 (1 to 7, 9, 11 to 13); 76 (1 to 9, 11 to 13); 77 (1 to 9, 11 to 13); 78 (1 to 9, 11 to 13); 79 (1 to 9, 11 to 13); 81 (1 to 9, 11 to 13); 82 (1 to 9, 11 to 13); 83 (Suppl 1, 1 to 9, 11, 12-13); 84 (Suppl 1, 1 to 9, 11, 12-13); 85 (Suppl 1, 1 to 9, 11, 12-13); 86 (Suppl 1, 1 to 9, 11, 12-13); 87 (Suppl 1, 1 to 9, 11, 12-13); 88 (Suppl 1, 1 to 9, 11, 12-13); 89 (Suppl 1, 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 : 7 (1 to 9, 11, 12); 8 (1 to 9, 11 to 13); 65 (12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11 to 13); 73 (1 to 9, 11 to 13); 74 (1 to 9, 11 to 13); 75 (1 to 7, 9, 11 to 13); 76 (1 to 9, 11 to 13); 77 (1 to 9, 11 to 13); 78 (1 to 9, 11 to 13); 79 (1 to 9, 11 to 13); 81 (1 to 9, 11 to 13); 82 (1 to 9, 11 to 13); 83 (Suppl 1, 1 to 9, 11, 12-13); 84 (Suppl 1, 1 to 9, 11, 12-13); 85 (Suppl 1, 1 to 9, 11, 12-13); 86 (Suppl 1, 1 to 9, 11, 12-13); 87 (Suppl 1, 1 to 9, 11, 12-13); 88 (Suppl 1, 1 to 9, 11, 12-13); 89 (Suppl 1, 1 to 9, 11, 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 : 71 (1, 2); 73 (1 to 3); 74 (1, 3, 8, 13); 75 (1, 2, 4 to 9, 11 to 13); 76 (1 to 6)
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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 : 71 (1, 2); 73 (1 to 3); 74 (1, 3, 8, 13); 75 (1, 2, 4 to 9, 11 to 13); 76 (1 to 6)
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