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