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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 8 (2 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (Suppl, 1 to 4); 16 (Suppl, 1 to 4); 17 (1 to 4); 18 (Suppl, 1 to 4); 19 (1 to 4); 20 (Suppl, 1 to 4); 21 (Suppl, 1 to 4); 22 (Suppl, 1 to 4); 23 (Suppl, 1 to 6); 24 (Suppl, 1 to 6); 25 (1)
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CLOCKSS Archive
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Preserved
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2026-04-06
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8 to 25
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Portico
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Preserved
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2026-04-02
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Preserved : 2009: 8(1-4), 2010: 9(1-4), 2011: 10(1-4), 2012: 11(1-4), 2013: 12(1-4), 2014: 13(1-4), 2015: 14(1-4), 2016: 15(1, S 1, 2-4), 2017: 16(1, S 1, 2-4), 2018: 17(1-4), 2019: 18(1, S 1, 2-4), 2019/2020: 19(1-4), 2021: 20(1, S 1, 2-4), 2022: 21(1, S 1, 2-4), 2023: 22(1, S 1, 2, S 2, 3-4), 2024: 23(1, S 1, 2-6), 2025: 24(1, S 1, 2-6), 2026: 25(1)
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LOCKSS Archive
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In Progress
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2026-04-06
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11, 18
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LOCKSS Archive
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Preserved
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2026-04-06
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12 to 17
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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 : 8 (1 to 4); 9 (1)
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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 : 8 (1 to 4); 9 (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 : 1 (1 to 4); 2 (Suppl 1, 1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (Suppl 1, 1 to 4); 15 (Suppl 1, 1 to 4); 16 (Suppl 1, 1 to 4); 17 (Suppl 1, 1 to 4); 18 (Suppl 1, 1 to 4); 19 (1 to 4); 21 (Suppl 1, 1 to 4); 22 (Suppl 2, 1 to 4); 23 (Suppl 1, 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 : 1 (1 to 4); 2 (Suppl 1, 1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (Suppl 1, 1 to 4); 15 (Suppl 1, 1 to 4); 16 (Suppl 1, 1 to 4); 17 (Suppl 1, 1 to 4); 18 (Suppl 1, 1 to 4); 19 (1 to 4); 21 (Suppl 1, 1 to 4); 22 (Suppl 2, 1 to 4); 23 (Suppl 1, 1 to 6)
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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 : 8 (2-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1, 2, 4); 13 (1-4); 14 (supplement-1, 1-4); 15 (supplement-2, 1-4); 16 (1-4); 17 (supplement-1, 1-4); 18 (1-4)
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