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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 17 (6); 19; 20 (2); 24 (4, 7); 30 (2, 5 to 7); 31 (1 to 5, 7)
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LOCKSS Archive
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In Progress
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2026-05-25
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17 to 26
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CLOCKSS Archive
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Preserved
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2026-05-25
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17 to 32
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Portico
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Preserved
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2026-05-21
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Preserved : 2011: 17(1-7), 2012: 18(1-7), 2013: 19(1-7), 2014: 20(1-7), 2015: 21(2-7), 2016: 22(1-7), 2017: 23(1, S 1, 2-7), 2018: 24(1-7), 2019: 25(1-7), 2020: 26(1-7), 2021: 27(1-7), 2022: 28(1-7), 2023: 29(1-7), 2024: 30(1-7), 2025: 31(1-7), 2026: 32(1-3)
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Library of Congress
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Preserved
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2025-04-07
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23 (7); 24 (1 to 7); 25 (1 to 7); 26 (1 to 7); 27 (1 to 7); 28 (1 to 7); 29 (1 to 7); 30 (1 to 6)
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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 : 2 (1 to 7); 3 (1 to 7); 17 (1 to 7); 18 (1 to 7); 19 (1 to 7); 21 (1 to 7); 22 (1 to 7); 23 (Suppl 1, 1 to 7); 24 (1 to 7); 25 (1 to 7); 26 (1 to 7); 27 (1 to 7); 28 (1 to 7); 29 (1 to 7)
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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 : 2 (1 to 7); 3 (1 to 7); 17 (1 to 7); 18 (1 to 7); 19 (1 to 7); 21 (1 to 7); 22 (1 to 7); 23 (Suppl 1, 1 to 7); 24 (1 to 7); 25 (1 to 7); 26 (1 to 7); 27 (1 to 7); 28 (1 to 7); 29 (1 to 7)
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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 : 17 (1, 4, 6); 18 (2, 3); 19 (1-7); 20; 21 (5); 22 (3); 23 (5); 24 (6)
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