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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, 2-3); 6 (, 1); 7 (, 1); 8 (, 1-2); 9 (, 1-2); 10 (, 1); 11 (, 1-2, 3); 12 (, 1-2); 13 (, 1); 14 (, 1); 15 (, 1-2, 3-4); 16 (, 1); 17 (, 1-2); 18 (, 1, 2-3); 19 (, 1-2, 3); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 27 (, 3); 28 (, 1, 3); 29 (, 1, 4); 30 (, 1 to 4); 31 (, 3, 4); 32 (, 3, 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1, 3, 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1); 1979; 1985; 1986; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 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 28
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 46
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 46
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Portico
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Preserved
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2026-02-12
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Preserved : 1979: 1(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 2(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1983: 4(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1984: 5(1), 1985: 6(1), 1986: 7(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 10(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 11(3), 1993: 13(1), 1993: 14(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 16(1), 1996: 18(1), 1997: 19(1-3), 1998: 20(1-4), 1999: 21(1-4), 2000: 22(1-4), 2001: 23(1-4), 2002: 24(1-4), 2003: 25(1-4), 2004: 26(1-4), 2005: 27(1-4), 2006: 28(1-4), 2007: 29(1-4), 2008: 30(1-4), 2009: 31(1-4), 2010: 32(1-4), 2011: 33(1-4), 2012: 34(1-4), 2013: 35(1-4), 2014: 36(1-4), 2015: 37(1-4), 2016: 38(1-4), 2017: 39(1-4), 2018: 40(1-4), 2019: 41(1-4), 2020: 42(1-4), 2021: 43(1-4), 2022: 44(1-4), 2023: 45(1-4), 2024: 46(1-4)
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 8, 11 to 17, 20, 21, 24 to 26, 29 to 47
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Library of Congress
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Preserved
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2025-04-07
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32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4)
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