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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 12); 2 (, 1 to 12); 3 (, 1 to 10, 11-12); 4 (, 1 to 12); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 10); 8 (, 3 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1, 2, 4 to 9); 13 (, 3 to 7, 9 to 12); 14 (, 1 to 12); 15 (, 1 to 7, 9, 11, 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 9, 13 to 18
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 19
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 8(5-12), 2010: 9(1-12), 2011: 10(1-12), 2012: 11(1-12), 2013: 12(1-12), 2014: 13(1-12), 2015: 14(1-12), 2016: 15(1-12), 2017: 16(1-12), 2017/2018: 17(1-12), 2018/2019: 18(1-12), 2020: 19(1-12)
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CLOCKSS Archive
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In Progress
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2026-02-09
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9 to 12, 19
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 1(11)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1, 3, 6, 8, 11 to 14, 16, 19 to 25
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 3(5, 9), 2005: 4(9)
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 6(9)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 8(8)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 10(5), 2012: 11(1-2, 10, 12), 2013: 12(1), 2014: 13(1), 2015: 14(1, 8)
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Portico
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Preserved
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2026-02-12
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Preserved : 2017: 16(3-4, 6-7)
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Portico
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Preserved
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2026-02-12
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Preserved : 2018: 17(8)
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Portico
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Preserved
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2026-02-12
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Preserved : 2019: 18(10-11), 2020: 19(4, 6, 10), 2021: 20(5-6, 11), 2022: 21(1-12), 2023: 22(2-12), 2024: 23(1-10, 12), 2025: 24(1-12), 2026: 25(1)
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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 : (, 6, 9); 1 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9); 16 (1, 3 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12)
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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 : (, 6, 9); 1 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 8 (1 to 9, 11, 12); 9 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9); 16 (1, 3 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12)
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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 : 2 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 23 (1 to 9, 11, 12)
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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 9, 11, 12); 21 (1 to 9, 11, 12); 23 (1 to 9, 11, 12)
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