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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 (1-2, 3, 4); 4 (1 to 4); 5 (1-2, 3, 4); 6 (1, 2, 3-4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1, 2, 3-4); 12 (1 to 4); 13 (1, 2-3, 4); 14 (1-4); 15 (2, 3-4); 16 (1 to 4); 17 (1 to 4); 18 (1-3, 4); 19 (1 to 4); 20 (1 to 4, 5-6); 21 (1 to 4, 5-6); 22 (1-2, 3-6); 23 (1-2, 3-4, 5-6); 24 (4-6); 25 (1-3, 4-6); 26 (1, 2-3, 4, 5-6); 27 (1)
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LOCKSS Archive
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Preserved
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2026-04-06
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12, 13
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CLOCKSS Archive
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Preserved
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2026-04-06
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12 to 17
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Portico
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Preserved
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2026-04-09
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Preserved : 1995/1996: 1(1-4), 1997/1998: 2(1-4), 1999: 3(1-4), 2000/2001: 4(1-4), 2002/2003: 5(1-4), 2003/2004: 6(1-4), 2005/2006: 7(1-4), 2006: 8(1-4), 2007: 9(1-4), 2008: 10(1-4), 2009: 11(1-4), 2010: 12(1-4), 2011: 13(1-4), 2012: 14(1-4), 2013: 15(1-4), 2013/2014: 16(1-4), 2015: 17(1)
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 25
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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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LOCKSS Archive
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In Progress
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2026-04-06
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26, 27
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Portico
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Preserved
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2026-04-09
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Preserved : 2014: 16(1-4), 2015: 17(1-4), 2016: 18(1-4), 2017: 19(1-4), 2018: 20(1-6), 2019: 21(1-6), 2020: 22(1-6), 2021: 23(1-6), 2022: 24(1-6), 2023: 25(1-6), 2024: 26(1, 4-6), 2025: 27(1-3)
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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; 19 (2 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 : 2 (1); 19 (2 to 4); 22 (3-6)
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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 : 1 (1 to 4); 2 (1 to 4, 5-6); 3 (1-2, 3, 4); 4 (1 to 4); 5 (1-2, 3, 4); 6 (1, 2, 3-4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1, 2, 3-4); 12 (1 to 4); 13 (1, 2-3, 4); 14 (1-4); 15 (2, 3-4); 16 (1 to 4); 17 (1 to 4); 18 (1-3, 4); 19 (1 to 4); 21 (1 to 4, 5-6); 22 (1-2, 3-6); 23 (1-2, 3-4, 5-6); 24 (1-3, 4-6); 25 (1-3, 4-6); 26 (1, 2-3)
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Library of Congress
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Preserved
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2025-04-07
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18 (4); 19 (1 to 4); 20 (1 to 5-6); 21 (1 to 5-6); 22 (1-2, 3-6); 23 (1-2, 3-4, 5-6); 24 (1-3, 4-6); 25 (1-3); 26 (1)
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