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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, 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 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 2 to 6); 41 (, 1, 3 to 6); 42 (, 1 to 6); 43 (, 1 to 4, 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1, 3 to 6); 47 (, 1, 3 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 2 to 6); 51 (, 1, 2, 5); 52 (, 4); 53 (, 1); 56 (, 4); 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 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; 2024
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Portico
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Preserved
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2026-02-12
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Preserved : 1969: 1(1, S 1, 2-4), 1970: 2(1-2, S 2, 3-4), 1971: 3(1-3, S 3, 4), 1972: 4(1-4), 1973: 5(1-4), 1974: 6(1-4), 1975: 7(1-4), 1976: 8(1-4), 1977: 9(1-4, S 4), 1978: 10(1, S 1, 2-4, S 5), 1979: 11(1-4, S 6), 1980: 12(1-4), 1981: 13(1-4, S 7), 1982: 14(1-4), 1983: 15(1-4, S 8), 1984: 16(1-4), 1985: 17(1-4, S 9), 1986: 18(1-4), 1987: 19(1-4), 1988: 20(1-4), 1989: 21(1-4, S 10, S 11), 1990: 22(1-4), 1991: 23(1-4), 1992: 24(1-4), 1993: 25(1-4), 1994: 26(1-4), 1995: 27(1-4), 1996: 28(1-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 28, 39 to 53, 56
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 39(5-6), 2008: 40(1-6), 2009: 41(1-6), 2009/2010: 42(1-6), 2010/2011: 43(1-6), 2011/2012: 44(1-6), 2012/2013: 45(1-6), 2013/2014: 46(1-6), 2014: 47(1-6), 2014/2015/2016: 48(1, S 1, 2-6), 2016/2017: 49(1, S 1, 2-6), 2017: 50(1-6), 2018/2019: 51(1-5), 2019/2020: 52(1-6), 2020/2021: 53(1-6), 2022: 54(1-6), 2023: 55(1-6), 2024: 56(1-6)
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Library of Congress
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Preserved
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2025-04-07
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42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (S1, 1 to 6); 49 (S1, 1 to 6); 50 (1 to 6); 51 (3 to 5); 52 (4); 53 (1); 56 (4)
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