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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 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1, 2, 3-4, 5 to 8); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 5, 6-7, 8 to 12); 21 (, 1 to 4, 5-6, 7 to 9, 10-11, 12); 22 (, 1-2, 3 to 12, 13-14, 15 to 18); 23 (, 1, 2, 3-4, 5 to 18); 24 (, 1-3, 4 to 10, 11-12, 13 to 18); 25 (, 1 to 3, 4-5, 6 to 10, 11-12, 13 to 24, 31); 26 (, 1 to 13, 14-15, 16 to 20, 21-22, 23, 24); 27 (, 1-2, 3 to 6, 7-8, 9 to 17, 18-19, 20 to 24); 28 (, 1 to 12, 13-14, 15 to 24); 29 (, 1 to 10, 11-12, 13 to 19, 20-21, 22 to 24); 30 (, 1 to 11, 12-13, 14 to 19, 20-22, 23 to 26); 31 (, 1 to 26); 32 (, 1 to 26); 33 (, 1 to 12, 13-14, 15-16, 17-18, 19-20, 21-22, 22-23, 23-24, 25-26); 34 (, 1 to 26); 35 (, 1 to 26); 36 (, 1 to 26); 37 (, 1 to 26); 38 (, 1 to 26); 39 (, 1 to 26); 40 (, 1 to 26); 41 (, 1 to 26); 42 (, 1 to 26); 43 (, 1 to 26); 44 (, 1 to 26); 45 (, 1 to 26); 46 (, 1 to 4, 7 to 26); 47 (, 1 to 5, 7 to 17); 1978; 1979; 1980; 1981; 1982; 1983; 1984; 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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14 to 37
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Portico
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Preserved
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2026-02-12
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Preserved : 1984: 6(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 11(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 21(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 24(4), 2003: 25(11-12, 18)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 25(31), 2005: 27(21), 2006: 28(1), 2007: 29(10, 19), 2008: 30(24)
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Portico
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Preserved
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2026-02-12
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Preserved : 2009: 31(S 1, 5, 24-26), 2010: 32(1, S 1, 2-26), 2010/2011: 33(1-26), 2012: 34(1-26), 2013: 35(1-11, 13-26), 2013/2014: 36(1-26), 2014/2015: 37(1-21)
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 21(1-12), 2000: 22(1-18), 2001: 23(1-18), 2002: 24(1-18), 2003: 25(1-24), 2004: 26(1-24), 2005: 27(1-24), 2006: 28(1-24), 2007: 29(1-24), 2007/2008: 30(1-26), 2009: 31(1-26), 2010: 32(1-26), 2011: 33(1-12, 25-26), 2012: 34(1-26), 2013: 35(1-26), 2014: 36(1-26), 2015: 37(1-26), 2016: 38(1-26), 2017: 39(1-26), 2018: 40(1-26), 2019: 41(1-26), 2020: 42(1-26), 2021: 43(1-26), 2022: 44(1-26), 2023: 45(1-26), 2024: 46(1-26), 2025: 47(1-26), 2026: 48(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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14 to 46
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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, 14 to 47
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LOCKSS Archive
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In Progress
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2026-02-09
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47
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CLOCKSS Archive
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Preserved
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2026-02-09
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15 to 27
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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 5, 6-7, 8, 9, 11, 12); 3 (1 to 9, 11, 12-13, 14 to 19, 23 to 26); 4 (1 to 9, 11 to 19, 21 to 26); 19 (1 to 9, 11, 12); 21 (1 to 4, 5-6, 7 to 9, 12); 22 (sup1, 1-2, 3 to 9, 11, 12, 13-14, 15 to 18); 23 (1, 2, 3-4, 5 to 9, 11 to 18); 24 (1-3, 4 to 9, 11-12, 13 to 18); 25 (1 to 3, 4-5, 6 to 9, 11-12, 13 to 19, 21 to 24, 31); 26 (1 to 9, 11 to 13, 14-15, 16 to 19, 21-22, 23, 24); 27 (1-2, 2 to 6, 7-8, 9, 11 to 17, 18-19, 21 to 24); 28 (1 to 9, 11, 12, 13-14, 15 to 19, 21 to 24); 29 (1 to 9, 11-12, 13 to 19, 22 to 24); 31 (sup1, 1 to 9, 11 to 19, 21 to 26); 32 (sup1, 1 to 9, 11 to 19, 21 to 26); 33 (1 to 9, 11, 12, 13-14, 15-16, 17-18, 19-2, 21-22, 22-23, 25-26); 34 (1 to 9, 11 to 19, 21 to 26); 35 (1 to 9, 11 to 19, 21 to 26); 36 (1 to 9, 11 to 19, 21 to 26); 37 (1 to 9, 11 to 19, 21 to 26); 38 (1 to 9, 11 to 19, 21 to 26); 39 (1 to 9, 11 to 19, 21 to 26); 41 (1 to 9, 11 to 19, 21 to 26); 42 (1 to 9, 11 to 19, 21 to 26); 43 (1 to 9, 11 to 14, 16 to 19, 21 to 26); 44 (1 to 9, 11 to 19, 21 to 26); 45 (1 to 9, 11 to 19, 21 to 23, 25, 26); 46 (1 to 9, 11 to 19, 21 to 26); 47 (1 to 5, 7, 8)
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Library of Congress
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Preserved
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2025-04-07
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32 (sup1, 1 to 26); 33 (1 to 13-14, 15-16, 17-18, 19-20, 21-22, 22-23, 25-26); 34 (1 to 26); 35 (1 to 26); 36 (1 to 26); 37 (1 to 26); 38 (1 to 26); 39 (1 to 26); 40 (1 to 26); 41 (1 to 15, 17, 19 to 26); 42 (1 to 26); 43 (1 to 26); 44 (1 to 26); 45 (1 to 26); 46 (1 to 20, 22, 23, 26)
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