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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 4); 5 (, 1 to 4); 6 (, 1-2, 3, 4); 7 (, 1 to 4); 8 (, 1, 2-3, 4 to 6); 9 (, 1-2, 3 to 6); 10 (, 1 to 6); 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 5); 23 (, 1 to 8); 24 (, 1); 25 (, 1 to 8); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 2 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 3, 5 to 13); 40 (, 1 to 9); 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2008; 2009; 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 39
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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 41
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LOCKSS Archive
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In Progress
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2026-02-09
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40
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 9(3-6), 1994/1995: 10(1-6), 1996: 11(1-6), 1996/1997: 12(1-6), 1998: 13(1-6), 1999/2000: 14(1-6), 2000: 15(1-6), 2001: 16(1-6), 2002: 17(1-6), 2003: 18(1-6), 2004: 19(1-6), 2005: 20(1-6), 2006: 21(1-6), 2006/2007: 22(1-8), 2007/2008: 23(1, Suppl 1, sup1-8), 2009: 24(1, Suppl 1, sup1-8), 2010: 25(1, S 1, 2-10), 2011: 26(1-12), 2012: 27(1-12), 2013: 28(1-12), 2014: 29(1-12), 2015: 30(1-12), 2016: 31(1-12), 2017: 32(1-12), 2018: 33(1-12), 2019: 34(1-12), 2020: 35(1-12), 2021: 36(1-12), 2022: 37(1-12), 2023: 38(1-12), 2024: 39(1-13), 2025: 40(1-12), 2026: 41(1-2)
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Library of Congress
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Preserved
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2025-04-07
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25 (sup1, 1 to 10); 26 (sup1, sup2, 1 to 12); 27 (sup2, sup1, 1 to 12); 28 (sup1, 1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 6, 8 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 10, 12); 40 (2)
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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 : 4 (1 to 3, 5); 32 (9); 35 (3, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11 to 13)
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