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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 6); 12 (Suppl, 1 to 12); 13 (1 to 18); 14 (1 to 5, 8 to 24); 15 (1 to 24); 16 (1 to 6)
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LOCKSS Archive
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In Progress
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2026-04-27
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1 to 10
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 16
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Portico
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Preserved
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2026-04-23
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Preserved : 2011: 1(1-4), 2012: 2(1-3), 2013: 3(1-3), 2014: 4(1-4), 2015: 5(1-4), 2016: 6(1-4), 2017: 7(1-4), 2018: 8(1-4), 2019: 9(1-4), 2019/2020: 10(1-4), 2021: 11(1-6), 2022: 12(1, S 1, 2-12), 2023: 13(2-18), 2024: 14(1-22), 2025: 15(1-14, 16-21, 23-24), 2026: 16(1-8)
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Library of Congress
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Preserved
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2025-04-07
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7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 6); 12 (S1, 1 to 12); 13 (1 to 18); 14 (1 to 20)
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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 : 13 (1 to 9, 11 to 18); 14 (1 to 9, 11 to 19, 21 to 24)
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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 : 13 (1 to 9, 11 to 18); 14 (1 to 9, 11 to 19, 21 to 24)
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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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4)
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