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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 9); 4 (1 to 12); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (Suppl, 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); 20 (1 to 6); 21 (Suppl, 1 to 6); 22 (1 to 6); 23 (Suppl, 1 to 6); 24 (1 to 6); 25 (2 to 6); 26 (1 to 6); 27 (1)
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LOCKSS Archive
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In Progress
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2026-04-06
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1 to 21
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 27
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Portico
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Preserved
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2026-04-09
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Preserved : 2000: 1(1-6), 2001: 2(1-6), 2002: 3(1-9), 2003: 4(1-12), 2004: 5(1-6), 2005: 6(1-6), 2006: 7(1-6), 2007: 8(1-6), 2008: 9(1-6), 2009: 10(1-6), 2010: 11(1-6), 2011/2012: 12(1, S 1, 2-6), 2012: 13(1-6), 2013: 14(1-6), 2014: 15(1-6), 2015: 16(1-6), 2016: 17(1-6), 2017: 18(1-6), 2018: 19(1-6), 2019: 20(1-6), 2020: 21(1, S 1, 2-6), 2021: 22(1-6), 2022: 23(1, S 1, 2-6), 2023: 24(1-6), 2024: 25(1-6), 2025: 26(1, 3-6), 2026: 27(1-2)
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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 : 25 (1 to 6)
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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 : 25 (1 to 6)
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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 : 2 (5, 6); 3 (1-4); 4 (1-4, 6-12); 5 (2-6); 6 (1); 7 (3, 4, 6); 10 (1, 2, 5); 11 (6); 12 (supplement-1, 4, 5); 13 (1-3, 5, 6); 14 (1, 2, 4, 6); 15 (supplement-1, 1-4, 6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (supplement-1, 1-6); 20 (1-5)
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