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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 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 12); 7 (1 to 12); 8 (1 to 12); 9 (1 to 12); 10 (1 to 4, 6 to 8); 11 (3 to 12); 12 (1 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 9); 16 (2 to 7, 9 to 12); 17 (1 to 12); 18 (1 to 18, 21 to 24); 19 (1 to 17, 19 to 24); 20 (1 to 24); 21 (1 to 24); 22 (1 to 24); 23 (1 to 24); 24 (1 to 24); 25 (1 to 24); 26 (1 to 24); 27 (1 to 48); 28 (1 to 7)
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Portico
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Preserved
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2026-05-07
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Preserved : 1999: 1(1-6)
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CLOCKSS Archive
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Preserved
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2026-05-04
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1 to 21, 24
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LOCKSS Archive
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Preserved
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2026-05-04
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1 to 26
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LOCKSS Archive
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In Progress
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2026-05-04
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1, 27, 28
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Portico
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Preserved
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2026-05-07
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Preserved : 2009: 11(5-12), 2010: 12(1-10, 12), 2011: 13(1-12), 2012: 14(1-12), 2013: 15(1-12), 2014: 16(1-12), 2015: 17(1-12), 2016: 18(1-24), 2017: 19(1-24), 2018: 20(1-24), 2019: 21(1-24), 2019/2020: 22(1-24), 2020/2021: 23(1-24), 2022: 24(1-24), 2023: 25(1-24), 2024: 26(1-24), 2025: 27(1-48), 2026: 28(1-13, 15-16)
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CLOCKSS Archive
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In Progress
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2026-05-04
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22, 23, 25 to 28
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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 to 3, 6 to 9, 11 to 19, 21 to 24, 26 to 29, 31 to 38); 1 (1 to 9, 11, 12); 2 (1 to 9, 11 to 19, 21 to 24); 11 (1 to 9, 11, 12); 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 to 19, 21, 24); 19 (1, 2, 5 to 9, 11 to 19, 21 to 24); 21 (1 to 9, 11 to 19, 22 to 24); 22 (1 to 9, 11 to 19, 21 to 24); 23 (1 to 9, 11 to 19, 21 to 24); 24 (1 to 9, 11 to 19, 21 to 24); 25 (1 to 9, 11 to 19, 21 to 24); 26 (1 to 9, 11 to 19, 21 to 24); 27 (1 to 9, 11 to 19, 21 to 29, 31 to 38)
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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 to 4, 6 to 9, 11 to 19, 21 to 24, 26 to 29, 31 to 39, 41, 42); 1 (1 to 9, 11, 12); 2 (1 to 9, 11 to 19, 21 to 24); 11 (1 to 9, 11, 12); 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 to 19, 21, 24); 19 (1, 2, 5 to 9, 11 to 19, 21 to 24); 21 (1 to 9, 11 to 19, 22 to 24); 22 (1 to 9, 11 to 19, 21 to 24); 23 (1 to 9, 11 to 19, 21 to 24); 24 (1 to 9, 11 to 19, 21 to 24); 25 (1 to 9, 11 to 19, 21 to 24); 26 (1 to 9, 11 to 19, 21 to 24); 27 (1 to 9, 11 to 19, 21 to 29, 31 to 39, 41, 42)
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