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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 19 (1-2, 3, 4, 5-6, 7 to 9, 10-12); 24 (, 5-7); 25 (, 3, 4-6); 26 (, 3, 8-9); 27 (, 1 to 3, 6-7, 8, 9, 10-11); 28 (, 2, 4, 5-7, 8, 10, 11-12); 29 (, 1 to 3, 4-6, 7 to 10, 11-12); 30 (, 1, 3 to 6, 7-8, 9 to 12); 31 (, 1 to 4, 7 to 12); 32 (, 1 to 12); 33 (, 1 to 3, 4-6, 7 to 12); 34 (, 1 to 8, 10 to 12); 35 (, 1, 2, 5 to 9, 10-12); 36 (, 1 to 9); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1-3, 4 to 9, 10-12); 40 (, 1 to 12); 41 (, 1 to 4, 5-6, 7 to 12); 42 (, 1 to 12); 43 (, 1 to 3, 5 to 12); 44 (, 1 to 9); 2000; 2005; 2006; 2007; 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 : 1997: 16(1-12), 1998: 17(1-12), 1999: 18(1-12), 2000: 19(1-12), 2001: 20(1-12), 2002: 21(1-5, 8-10), 2003: 22(1-12), 2004: 23(1-12), 2005: 24(1-9), 2006: 25(1-12), 2007: 26(1-12), 2008: 27(1-12), 2009: 28(1-10), 2010: 29(1-12), 2011: 30(1-12), 2012: 31(1-12), 2013: 32(1-12), 2014: 33(1-12), 2015: 34(1-12), 2016: 35(1-12), 2017: 36(1-12), 2018: 37(1-12), 2019: 38(1-12), 2020: 39(1-12), 2020/2021: 40(1-12), 2021/2022: 41(1-12), 2023: 42(1-12), 2024: 43(1-12), 2025: 44(1-12), 2026: 45(1-3)
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LOCKSS Archive
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Preserved
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2026-02-09
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19 to 43
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 19 to 45
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LOCKSS Archive
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In Progress
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2026-02-09
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44
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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 (1-2, 3, 4-7, 8, 9, 12); 3 (1 to 6, 7-8, 9, 11, 12); 4 (1 to 9, 11, 12); 19 (1-2, 3, 4, 5-6, 7 to 9); 21 (1 to 3, 4-5, 6-7, 8-9, 11-12); 22 (1 to 4, 5-8, 9, 11, 12); 23 (1-2, 3 to 5, 6-7, 8-9, 11, 12); 24 (1 to 4, 5-7, 8, 9); 25 (1 to 3, 4-6, 7, 8, 9-11, 12); 26 (1 to 5, 6-7, 8-9); 27 (1 to 5, 6-7, 8, 9, 12); 28 (1 to 4, 5-7, 8, 9, 11-12); 29 (1 to 3, 4-6, 7 to 9, 11-12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 3, 4-6, 7 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1-3, 4 to 9); 41 (1 to 4, 5-6, 7 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 4, 6)
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Library of Congress
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Preserved
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2025-04-07
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29 (1 to 4-6, 7 to 11-12); 30 (1 to 7-8, 9 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 4-6, 7 to 12); 34 (1 to 12); 35 (1 to 10-12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 5, 7 to 12); 39 (1-3, 4 to 10-12); 40 (1 to 12); 41 (1 to 5-6, 7 to 12); 42 (1 to 12); 43 (1 to 9)
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