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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, 2); 2 (, 1, 2); 3 (, 1, 2); 4 (, 1, 2); 5 (, 1, 2); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 4); 12 (, 2); 13 (, 2); 14 (, 1 to 4, 5-6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1, 2, 5, 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 8); 22 (, 1 to 3, 5 to 8); 23 (, 1 to 7); 24 (, 1 to 8); 25 (, 1 to 8); 26 (, 1, 2, 3-4, 5-6, 7-8); 27 (, 1-4, 5 to 8); 28 (, 1 to 8); 29 (, 1 to 6, 7-8); 30 (, 1 to 6, 7-8); 31 (, 1 to 6); 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2006; 2007; 2008; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 30
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CLOCKSS Archive
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Preserved
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2026-02-09
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14 to 23
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LOCKSS Archive
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In Progress
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2026-02-09
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31
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 1(1-2), 1996: 2(1-2), 1997: 3(1-2), 1998: 4(1-2), 1999: 5(1-2), 2000: 6(1-3), 2001: 7(1-3), 2002: 8(1-3), 2003: 9(1-4), 2004: 10(1-6), 2005: 11(1-6), 2006: 12(1-6), 2007: 13(1-6), 2008: 14(1-6), 2009: 15(1-6), 2010: 16(1-6), 2011: 17(1-6), 2012: 18(1-6), 2013: 19(1-6), 2014: 20(1-6), 2015: 21(1-8), 2016: 22(1-8), 2017: 23(1-8), 2018: 24(1-8), 2019: 25(1-8), 2020: 26(1-8), 2021: 27(1-8), 2022: 28(1-8), 2023: 29(1-8), 2024: 30(1-8), 2025: 31(1-2, 4-8), 2026: 32(1-2)
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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 to 31
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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 (2 to 6); 2 (1 to 6); 3 (1 to 6, 7-8); 4 (1, 2); 5 (1, 2); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 4); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 4, 5-6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1, 2, 3-4, 5-6, 7-8); 27 (1-4, 5 to 8); 28 (1 to 8); 29 (1 to 4, 7-8); 31 (2 to 4)
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Library of Congress
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Preserved
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2025-04-07
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16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 6, 8); 26 (1 to 3-4, 5-6, 7-8); 27 (1-4, 5 to 8); 28 (1 to 8); 29 (1 to 7-8); 30 (1 to 7-8)
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