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CLOCKSS Archive
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In Progress
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2026-04-13
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 5 (2 to 4); 6 (1 to 4); 22 (1, 3, 4); 23 (1 to 4); 24 (1 to 4); 25 (1)
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Internet Archive
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Preserved
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2025-08-08
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1 to 13
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LOCKSS Archive
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In Progress
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2026-04-13
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Portico
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Preserved
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2026-04-16
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Preserved : 2002: 5(2, 4), 2003: 6(2, 4)
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Portico
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Preserved
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2026-04-16
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Preserved : 2019: 22(4)
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Portico
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Preserved
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2026-04-16
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Preserved : 2021: 24(3-4), 2022: 25(1-4), 2023: 26(1-4), 2024: 27(1-5), 2025: 28(1, S 1, 2, 4-5), 2026: 29(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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5, 22 to 29
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 25 (2 to 4); 26 (1 to 4); 27 (1 to 6); 28 (Suppl, 1 to 8); 29 (1 to 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 : 22 (1 to 4); 23 (1 to 4); 27 (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 : 22 (1 to 4); 23 (1 to 4); 27 (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 : 4 (1-4); 5 (1-4); 6 (1); 21 (3, 4); 22 (1-4)
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