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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, 2); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (Suppl, 1 to 4); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1, 2, 4 to 12); 22 (1 to 9, 10-12); 23 (1 to 4)
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LOCKSS Archive
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In Progress
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2026-04-27
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1 to 17
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 23
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Portico
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Preserved
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2026-04-23
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Preserved : 2004: 1(1-2), 2005: 2(1-4), 2006: 3(1-4), 2007: 4(1-4), 2008: 5(1-4), 2009: 6(1-4), 2010: 7(1-4), 2011: 8(1, S 1, 2-4), 2012: 9(1-6), 2013: 10(1-6), 2014: 11(1-6), 2015: 12(5-12), 2016: 13(1-12), 2017: 14(1-12), 2018: 15(1-12), 2019: 16(1-12), 2019/2020: 17(1-12), 2021: 18(1-12), 2022: 19(1-12), 2023: 20(1-12), 2024: 21(1-11), 2025: 22(1-2, 5-12), 2025/2026: 23(1-4)
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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 : 1 (1, 2); 2 (1-4); 3 (1-4); 4 (1-4); 5 (supplement-1, 1-4); 6 (1-4); 7 (supplement-2, 1-4); 8 (supplement-1, 1-4); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-12); 13 (1-12); 14 (1-12); 15 (1-12); 16 (1-12); 26 (1); 2012 (2)
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Library of Congress
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Preserved
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2025-04-07
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15 (3 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1 to 10)
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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 : 2 (1 to 9, 11, 12); 21 (1 to 9, 11, 12)
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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 : 2 (1 to 9, 11, 12); 21 (1 to 9, 11, 12)
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