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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 4 (2 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 3, 4-5, 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 17 (1); 20 (5); 21 (7, 8); 22 (2, 4); 23 (2, 5 to 8); 24 (1, 2, 6); 25 (1-3, 4 to 10); 26 (1 to 12); 27 (1 to 5, 10 to 12); 28 (1 to 12); 29 (1 to 10, 11-12); 30 (1 to 11); 31 (1 to 6, 9 to 16); 32 (1 to 6, 7-8, 9 to 16); 33 (5 to 16); 34 (1 to 16); 35 (1 to 16); 36 (1 to 16); 37 (1 to 16); 38 (1 to 16); 39 (1 to 5, 7 to 16); 40 (1 to 16); 41 (1 to 4)
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Portico
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Preserved
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2026-04-02
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Preserved : 1997: 12(1-6), 1998: 13(1-6), 1999: 14(1-6), 2000: 15(1-6), 2001: 16(1-6), 2002: 17(1-6), 2003: 18(1-6), 2004: 19(1-6), 2005: 20(1-6), 2006: 21(1-8), 2007: 22(1-7), 2008: 23(1-8), 2009: 24(1-8), 2010: 25(1-12), 2011: 26(1-12), 2012: 27(1-12), 2012/2013: 28(1-12), 2014: 29(1-12), 2015: 30(1-12), 2016: 31(1-16), 2017: 32(1-16), 2018: 33(1-16), 2019: 34(1-16), 2020: 35(1-16), 2021: 36(1-16), 2022: 37(1-16), 2023: 38(1-16), 2024: 39(1-16), 2025: 40(1-16), 2026: 41(1-5)
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LOCKSS Archive
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Preserved
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2026-04-06
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4 to 39
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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, 4 to 41
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LOCKSS Archive
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In Progress
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2026-04-06
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40, 41
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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 6); 3 (1 to 9, 11, 12); 4 (1 to 4); 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 8); 22 (1 to 6, 7-8); 23 (1 to 8); 24 (1 to 6, 7-8, 9, 12); 25 (1-3, 4 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11-12); 31 (1 to 9, 11 to 16); 32 (1 to 6, 7-8, 9, 11 to 16); 33 (1 to 9, 11 to 16); 34 (1 to 9, 11 to 16); 35 (1 to 9, 11 to 16); 36 (1 to 9, 11 to 16); 37 (1 to 9, 11 to 16); 38 (1 to 9, 11 to 16); 39 (1 to 9, 11 to 15)
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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, 3-4); 2 (1-2, 3-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-3, 4-5, 6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (3); 18 (2, 4-6); 19 (1-5); 20 (1-6); 21 (1-8); 22 (1-7); 23 (1-8)
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Library of Congress
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Preserved
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2025-04-07
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25 (1-3, 4 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 11-12); 30 (1 to 12); 31 (1 to 16); 32 (1 to 7-8, 9 to 16); 33 (1 to 16); 34 (1 to 3, 5 to 16); 35 (1 to 16); 36 (1 to 16); 37 (1 to 16); 38 (1 to 16); 39 (1 to 16); 40 (3)
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