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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (Supplement, 2 to 4); 2 (1 to 4); 3 (1 to 4); 4 (S1, 1 to 4); 5 (1 to 6); 6 (s1, 1 to 6); 7 (s1, 1 to 8); 8 (s1, 1 to 8); 9 (1 to 10); 10 (s1, 1 to 10); 11 (s1, 1 to 10); 12 (s1, 1 to 10); 13 (s1, 1 to 10); 14 (S1, 1 to 10); 15 (S1, 1 to 10); 16 (S1, 1 to 10); 17 (S1, 1 to 10); 18 (S1, 1 to 10); 19 (, 1 to 10); 20 (S1, 1 to 10); 21 (S1, 1 to 11); 22 (S1, 1 to 10); 23 (S1, 1 to 11); 24 (S2, 1 to 12); 25 (S1, 1 to 12); 26 (S1, 1 to 12); 27 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 27
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Portico
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Preserved
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2026-04-09
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Preserved : 2012: 13(1-2, S2, 3-10), 2013: 14(1, S1, 2-3, S3, 4, S4, 5-10), 2014: 15(1, S1, 2, S2, 3-4, S4, 5-10), 2015: 16(1, S1, 2-10), 2016: 17(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6-10), 2017: 18(1, S1, 2, S2, 3-10), 2018: 19(1, S1, 2, S2, 3, S3, 4-10), 2019: 20(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6, S6, 7, S7, 8, S8, 9, S9, 10), 2020: 21(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6, S6, 7-11), 2021: 22(1, S1, 2, S2, 3, S3, 4, S4, 5-10), 2022: 23(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6-11), 2023: 24(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6-12), 2024: 25(1, S1, 2, S2, 3, S3, 4, S4, 5-12), 2025: 26(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6-12), 2026: 27(1-2)
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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 9); 2 (S2, 1 to 9); 3 (1 to 4); 4 (S1, 1 to 4); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 8); 8 (, 1 to 8); 9 (, 1 to 9); 11 (, 1 to 9); 12 (, 1 to 9); 13 (, 1 to 9); 14 (, 1 to 9); 15 (, 1 to 9); 16 (, 1 to 9); 17 (, 1 to 9); 18 (, 1 to 9); 19 (, 1 to 9); 21 (S1, 1 to 9, 11); 22 (S1, 1 to 9); 23 (S1, 1 to 4, 6 to 9, 11); 24 (S1, 1 to 9, 11, 12); 25 (S2, 1 to 9, 11, 12); 26 (S1, 1 to 9)
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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 9); 2 (S3, 1 to 9); 3 (1 to 4); 4 (S1, 1 to 4); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 8); 8 (, 1 to 8); 9 (, 1 to 9); 11 (, 1 to 9); 12 (, 1 to 9); 13 (, 1 to 9); 14 (, 1 to 9); 15 (, 1 to 9); 16 (, 1 to 9); 17 (, 1 to 9); 18 (, 1 to 9); 19 (, 1 to 9); 21 (S1, 1 to 9, 11); 22 (S1, 1 to 9); 23 (S1, 1 to 4, 6 to 9, 11); 24 (S1, 1 to 9, 11, 12); 25 (S2, 1 to 9, 11, 12); 26 (S1, 1 to 9)
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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 : 7 (s1, 1-8); 8 (1, 2, 4-8)
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