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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3; 4; 7; 9 (1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 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 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 44 (, 3 to 12); 45 (, 1, 2, 4 to 12); 46 (, 1 to 6); 1982; 1983; 1986; 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; 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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3 to 35
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Portico
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Preserved
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2026-02-12
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Preserved : 1988: 9(6)
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CLOCKSS Archive
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Preserved
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2026-02-09
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9 to 47
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 11(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 12(8)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 14(6)
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 19(5, 7)
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 35(1-12), 2014/2015: 36(1-12), 2015/2016: 37(1-12), 2016/2017: 38(1-12), 2017/2018: 39(1-12), 2018/2019: 40(1-12), 2019/2020: 41(1, S 1, 2-12), 2020/2021: 42(1-12), 2022: 43(1-12), 2023: 44(1-12), 2024: 45(1-12), 2025: 46(1-12), 2026: 47(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 20(1-12), 2000: 21(1, S 1, 2-12), 2001: 22(1-12), 2002: 23(1-12, S 12), 2003: 24(1-5, S 5, 6-12), 2004: 25(1-12), 2005: 26(1-12), 2006: 27(1-3, 5, 7-12), 2006/2007: 28(1, 4-12), 2007/2008: 29(1, S 1, 2-12), 2008/2009: 30(1-12), 2009/2010: 31(1, S 1, 2-11), 2011: 32(1-12), 2012: 33(1-12), 2013: 34(1-12), 2014: 35(1, S 1, 2, S 2, 3, S 3, 4-12)
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Library of Congress
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Preserved
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2025-04-07
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11 (3); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 10, S1, 11, 12); 42 (1 to 4, 6 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 9)
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