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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2 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 6); 9 (s1, 1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (s1, 1 to 8); 13 (1 to 8); 14 (s1, 1 to 8); 15 (1 to 8); 16 (S1, 1 to 8); 17 (1 to 8); 18 (S1, 1 to 8); 19 (1 to 4, 7, 8); 20 (S1, 1 to 8); 21 (1 to 8); 22 (S1, 1 to 8); 23 (1 to 8); 24 (S1, 1 to 8); 25 (S1, 1 to 8); 26 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 26
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Portico
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Preserved
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2026-04-16
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Preserved : 2012: 12(1-8), 2013: 13(1-8), 2014: 14(1-8), 2015: 15(1-8), 2016: 16(1, S1, 2-8), 2017: 17(1-8), 2018: 18(1, S1, 2-8), 2019: 19(1-8), 2020: 20(1, S1, 2-8), 2021: 21(1-8), 2022: 22(1, S1, 2, S2, 3-8), 2023: 23(1-8), 2024: 24(1, S1, 2-8), 2025: 25(1, S1, 2-4, 6-8), 2026: 26(1-3)
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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 : 1 (1 to 6); 2 (S1, 1 to 8); 3 (1 to 4); 4 (, 1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (, 1 to 4); 8 (1 to 6); 9 (, 1 to 6); 11 (1 to 6); 12 (, 1 to 8); 13 (1 to 8); 14 (, 1 to 8); 15 (1 to 8); 16 (, 1 to 8); 17 (1 to 8); 18 (, 1 to 8); 19 (1 to 8); 21 (1 to 8); 22 (S1, 1 to 8); 23 (1 to 8); 24 (S1, 1 to 8); 25 (S1, 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 : 1 (1 to 6); 2 (S1, 1 to 8); 3 (1 to 4); 4 (, 1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (, 1 to 4); 8 (1 to 6); 9 (, 1 to 6); 11 (1 to 6); 12 (, 1 to 8); 13 (1 to 8); 14 (, 1 to 8); 15 (1 to 8); 16 (, 1 to 8); 17 (1 to 8); 18 (, 1 to 8); 19 (1 to 8); 21 (1 to 8); 22 (S1, 1 to 8); 23 (1 to 8); 24 (S1, 1 to 8); 25 (S1, 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 : 6 (1-4); 7 (s1, 1-4)
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