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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 6); 5 (, 1 to 3, 4-6); 6 (, 1-2, 3-4, 5, 6); 7 (, 1-2, 3, 4); 8 (, 1 to 6); 11 (, 2 to 4, 6); 13 (, 1 to 6); 14 (, 1 to 3); 15 (, 1 to 8); 16 (, 1 to 8); 17 (, 1, 2, 7, 8); 18 (, 1 to 8); 19 (, 1 to 8); 20 (, 1 to 5, 7, 8); 21 (, 1, 2, 4 to 8); 22 (, 1 to 8); 23 (, 2 to 8); 24 (, 1 to 8); 25 (, 1 to 8); 26 (, 1 to 8); 27 (, 1 to 8); 28 (, 1 to 8); 29 (, 1 to 8); 30 (, 1 to 6); 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2006; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 5(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 6(5-6), 2002: 7(3-4), 2003: 8(1-6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 9(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 11(1-6), 2007: 12(1-6), 2008: 13(1-6), 2009: 14(1-8), 2010: 15(1-8), 2011: 16(1-8), 2012: 17(1-8), 2013: 18(1-8), 2014: 19(1-8), 2015: 20(1-8), 2016: 21(1-8), 2017: 22(1-8), 2018: 23(1-8), 2019: 24(1-8), 2020: 25(1-8), 2021: 26(1-8), 2022: 27(1-8), 2023: 28(1-8), 2024: 29(1-8), 2025: 30(1-4, 6-8), 2026: 31(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 29
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 30
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LOCKSS Archive
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In Progress
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2026-02-09
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30
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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 : 3 (1 to 4); 18 (5, 8); 19 (1, 5); 26 (1 to 8); 27 (1 to 8); 28 (1 to 6, 8); 29 (1 to 8)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1, 3-6); 5 (1-3, 4-6); 6 (1-2, 3-4, 5, 6); 7 (1-2, 3, 4); 8 (1-4); 9 (1-3); 11 (2, 4-6); 12 (1-6); 13 (1, 3-6)
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Library of Congress
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Preserved
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2025-04-07
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15 (1 to 8); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 20 (1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8)
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