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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 (sup1, 1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 8); 7 (1 to 8); 8 (sup1, 1 to 8); 9 (sup1, 1 to 8); 10 (1 to 10); 11 (1 to 8); 12 (1 to 10); 13 (1 to 10); 14 (1 to 10); 15 (1 to 10); 16 (1 to 5, 6-8, 9-10); 17 (1 to 5, 6-7, 8-9, 10); 18 (1 to 8); 19 (1 to 6, 7-8)
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Portico
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Preserved
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2026-04-02
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Preserved : 2009: 3(4), 2010: 4(1-4), 2011: 5(1-4), 2012: 6(1-8), 2012/2013: 7(1-8), 2014: 8(1, S 1, 2-8), 2013/2014: 9(1, S 1, 2-6)
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CLOCKSS Archive
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Preserved
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2026-04-06
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ahead-of-print to 19
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 18
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LOCKSS Archive
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In Progress
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2026-04-06
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19, 20
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 1(1-4), 2008: 2 Suppl 1, 2008: 2(1-4), 2008/2009: 3(1-4), 2010: 4(1-4), 2011: 5(1-4), 2012: 6(1-8), 2013: 7(1-8), 2014: 8(1-8), 2015: 9(1-8), 2016: 10(1-10), 2017: 11(1-10), 2018: 12(1-10), 2019: 13(1-10), 2020: 14(1-10), 2021: 15(1-10), 2022: 16(1-10), 2023: 17(1-10), 2024: 18(1-8), 2025: 19(1-8), 2026: 20(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 (sup1, 1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 8); 7 (1 to 8); 8 (sup1, 1 to 8); 9 (sup1, 1 to 8); 11 (1 to 8, 9-1); 12 (1 to 9); 13 (1 to 9); 14 (1 to 9); 15 (1 to 9); 16 (1 to 5, 6-8, 9-1); 17 (1 to 5, 6-7, 8-9); 18 (1 to 8); 19 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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4 (1 to 4); 5 (1 to 4); 6 (1 to 8); 7 (1 to 8); 8 (sup1, 1 to 8); 9 (sup1, 1 to 8); 10 (1 to 10); 11 (1 to 9-10); 12 (1 to 10); 13 (1 to 10); 14 (1 to 10); 15 (1 to 10); 16 (1 to 6-8, 9-10); 17 (1 to 6-7, 8-9, 10); 18 (1 to 7)
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