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