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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 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 5); 5 (1 to 5); 6 (1 to 5); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 4, 6); 17 (1 to 5); 18 (1 to 3, 5, 6); 19 (1 to 5); 20 (1, 5, 6); 21 (2 to 6); 22 (1 to 6); 23 (1 to 5); 25 (1, 5, 6); 26 (1)
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LOCKSS Archive
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Preserved
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2026-03-30
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5 to 24
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Portico
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Preserved
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2026-04-02
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Preserved : 2006: 6(1-5), 2007: 7(1-4, 6), 2007/2008: 8(1-6), 2008/2009: 9(1-6), 2009/2010: 10(1-6), 2010/2011: 11(1-6), 2011/2012: 12(1-6), 2012/2013: 13(1-6), 2013/2014: 14(1-6), 2014/2015: 15(1-6), 2014/2015/2016: 16(1-6), 2017: 17(1-6), 2018: 18(1-6), 2019: 19(1-6), 2020: 20(1-6), 2021: 21(1-6), 2022: 22(1-6), 2023: 23(1-6), 2024: 24(1-6), 2025: 25(1-6), 2026: 26(1-2)
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CLOCKSS Archive
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Preserved
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2026-03-30
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8 to 18
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CLOCKSS Archive
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In Progress
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2026-03-30
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19 to 25
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LOCKSS Archive
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In Progress
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2026-03-30
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25, 26
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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 (1 to 6); 6 (1 to 5); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1, 5, 6); 23 (1, 2, 4 to 6); 24 (1 to 4, 6); 25 (1 to 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 (1 to 6); 2 (1 to 6); 6 (1 to 5); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1, 5, 6); 23 (1, 2, 4 to 6); 24 (1 to 4, 6); 25 (1 to 5)
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