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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3 (1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 4); 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 8); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 10, 11-12); 23 (, 1 to 10, 11-12); 24 (, 1 to 12, 14); 25 (, 1 to 14); 26 (, 1 to 14); 27 (, 6, 10); 28 (, 1 to 10, 12 to 14); 29 (, 1 to 15); 30 (, 1 to 16); 31 (, 1 to 16); 32 (, 1 to 20); 33 (, 1 to 20); 34 (, 1 to 24); 35 (, 1 to 24); 36 (, 1 to 24); 37 (, 1 to 24); 38 (, 1 to 10, 11-12, 13 to 24); 39 (, 1 to 24); 40 (, 1 to 24); 41 (, 1 to 21, 23, 24); 42 (, 1 to 24); 43 (, 1 to 18); 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 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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Internet Archive
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Preserved
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2025-08-08
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1 to 32
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 42
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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 44
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LOCKSS Archive
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In Progress
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2026-02-09
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43
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 12(1-6), 1995: 13(1-6), 1996: 14(1-6), 1997: 15(1-6), 1998: 16(1-8), 1999: 17(1-12), 2000: 18(1-12), 2001: 19(1-12), 2002: 20(1-12), 2003: 21(1-12), 2004: 22(1-12), 2005: 23(1-12), 2006: 24(1-12), 2007: 25(1-14), 2007/2008: 26(1, Suppl 1, 2-3, Suppl 3, 4-14), 2009: 27(1, Suppl 1, 2-14), 2010: 28(1-14), 2011: 29(1-15), 2012: 30(1-16), 2013: 31(1-16), 2014: 32(1-20), 2015: 33(1-20), 2016: 34(1-24), 2017: 35(1-24), 2018: 36(1-24), 2019: 37(1-24), 2020: 38(1-24), 2021: 39(1, sup1, 1, 2, sup2, 2, 3-24), 2022: 40(1, sup1, 1, 2-24), 2023: 41(1, sup1, 1, 2-24), 2024: 42(1, sup1, 1, 2-24), 2025: 43(1-24), 2026: 44(1-6)
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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 (2 to 9, 11, 12); 3 (sup1, 1 to 9, 11 to 16); 4 (sup1, 1 to 9, 11 to 19, 21 to 24); 15 (1 to 6); 16 (sup1, 1 to 8); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11-12); 23 (1 to 9, 11-12); 24 (1 to 9, 11, 12); 25 (sup1, 1 to 9, 11 to 14); 26 (sup1, 1 to 9, 11 to 14); 27 (sup1, 1 to 9, 11 to 14); 28 (1 to 9, 11 to 14); 29 (sup1, 1 to 9, 11 to 15); 31 (1 to 9, 11 to 16); 32 (sup1, 1 to 9, 11 to 19); 33 (sup1, 1 to 9, 11 to 19); 34 (sup1, 1 to 9, 11 to 19, 21 to 24); 35 (sup1, 1 to 9, 11 to 19, 21 to 24); 36 (sup1, 1 to 9, 11 to 19, 21 to 24); 37 (sup1, 1 to 9, 11 to 19, 21 to 24); 38 (1 to 9, 11-12, 13 to 19, 21 to 24); 39 (sup1, 1 to 9, 11 to 19, 21 to 24); 41 (1 to 9, 11, 12, 15 to 19, 21 to 24); 42 (sup1, 1 to 9, 11 to 19, 21 to 24); 43 (1, 7 to 9)
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Library of Congress
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Preserved
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2025-04-07
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28 (1 to 14); 29 (sup1, sup2, 1 to 15); 30 (sup1, 1 to 16); 31 (1 to 16); 32 (sup2, sup1, 1 to 20); 33 (sup1, 1 to 20); 34 (sup1, 1 to 24); 35 (sup1, 1 to 24); 36 (sup1, 1 to 24); 37 (sup1, 1 to 24); 38 (1 to 11-12, 13 to 20, 22 to 24); 39 (sup2, sup1, 1 to 3, 5 to 24); 40 (sup1, 1 to 24); 41 (sup1, 1 to 24); 42 (1 to 23)
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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 (1-3); 2 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-4); 10 (1-6); 11 (1-6); 12 (2-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-8); 17 (1-12); 18 (1-12); 19 (1-12); 20 (1-12); 21 (1-12); 22 (1-10, 11-12); 23 (1, 3-10, 11-12); 24 (1-12); 25 (1-14); 26 (1-14)
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