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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); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17 (2, 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1-2, 3, 4); 29 (1 to 3)
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LOCKSS Archive
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Preserved
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2026-06-01
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1 to 29
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Portico
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Preserved
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2026-06-04
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Preserved : 2013: 17(1-3), 2014: 18(1-3), 2015: 19(1-3), 2016: 20(1-3), 2017: 21(1-3), 2018: 22(1-3), 2019: 23(1-4), 2020: 24(1-4), 2021: 25(1-4), 2022: 26(1-4), 2023: 27(1-4), 2024: 28(1-4), 2025: 29(1-4)
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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; 2 (2, 3); 3 (1); 4; 5; 6; 7; 8; 9; 11; 12; 13; 14; 15; 16; 17 (2, 3); 18 (1 to 3); 19 (1 to 3); 21 (1 to 3); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1-2)
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Library of Congress
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Preserved
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2025-04-07
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12 (1); 13 (1); 14 (1); 15 (1); 16 (1); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4)
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