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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 6); 2 (Supplement, 1 to 5); 3 (s1, 1 to 6); 4 (s1, 1 to 6); 5 (s1, 1 to 6); 6 (1 to 6); 7 (s1, 1 to 6); 8 (s1, 2 to 9); 9 (s1, 1 to 9); 10 (s3, 1 to 9); 11 (s1, 1 to 9); 12 (s1, 1 to 6 to 8 to 12); 13 (s1, 1 to 12); 14 (s1, 1 to 10, 12); 15 (s1, 1 to 12); 16 (s1, 1 to 12); 17 (s1, 1 to 12); 18 (S1, 1 to 12); 19 (S1, 1 to 12); 20 (, 1 to 12); 21 (S1, 1 to 12); 22 (S1, 1 to 12); 23 (S1, 1 to 12); 24 (S1, 1 to 12); 25 (S1, 1 to 12); 26 (S1, 1 to 12); 27 (S1, 1 to 12); 28 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 28
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Portico
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Preserved
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2026-04-23
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Preserved : 2007: 9(4), 2008: 10(2)
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Portico
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Preserved
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2026-04-23
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Preserved : 2010: 12(1-12), 2011: 13(1-12), 2012: 14(1-12), 2013: 15(1-12), 2014: 16(1-3, S 3, 4-12), 2015: 17(1-2, S2, 3, S3, 4-12), 2016: 18(1, S1, 2, S2, 3-12), 2017: 19(1, S1, 2, S2, 3, S3, 4, S4, 5-12), 2018: 20(1, S1, 2, S2, 3, S3, 4, S4, 5, S5, 6, S6, 7, S7, 8, S8, 9-12), 2019: 21(1, S1, 2, S2, 3, S3, 4-12), 2020: 22(1, S1, 2, S2, 3, S3, 4-12), 2021: 23(1, S1, 2, S2, 3-12), 2022: 24(1, S1, 2, S2, 3, S3, 4-12), 2023: 25(1, S1, 2, S2, 3-12), 2024: 26(1, S1, 2, S2, 3-12), 2025: 27(1, S1, 2, S2, 3-12), 2026: 28(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 9); 2 (, 1 to 9, 11, 12); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 9); 9 (, 1 to 9); 11 (, 1 to 9); 12 (, 1 to 9, 11, 12); 13 (, 1 to 9, 11, 12); 14 (, 1 to 9, 11, 12); 15 (, 1 to 9, 11, 12); 16 (, 1 to 9, 11, 12); 17 (, 1 to 9, 11, 12); 18 (, 1 to 9, 11, 12); 19 (, 1 to 9, 11, 12); 21 (S1, 1 to 4, 6 to 8, 11, 12); 22 (S1, 1 to 9, 11, 12); 23 (S1, 1 to 9, 11, 12); 24 (S1, 1 to 9, 11, 12); 25 (S1, 1 to 9, 11, 12); 26 (S1, 1, 3 to 9, 11, 12); 27 (S1, 1 to 8)
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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 (, 1 to 9, 11, 12); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 9); 9 (, 1 to 9); 11 (, 1 to 9); 12 (, 1 to 9, 11, 12); 13 (, 1 to 9, 11, 12); 14 (, 1 to 9, 11, 12); 15 (, 1 to 9, 11, 12); 16 (, 1 to 9, 11, 12); 17 (, 1 to 9, 11, 12); 18 (, 1 to 9, 11, 12); 19 (, 1 to 9, 11, 12); 21 (S1, 1 to 4, 6 to 8, 11, 12); 22 (S1, 1 to 9, 11, 12); 23 (S1, 1 to 9, 11, 12); 24 (S1, 1 to 9, 11, 12); 25 (S1, 1 to 9, 11, 12); 26 (S1, 1, 3 to 9, 11, 12); 27 (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 : 8 (s1, 1-5, 7-9); 9 (s1, 1-9)
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