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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 6 (3, 4); 7 (, 3, 4); 8 (, 3, 4); 9 (, 3, 4); 10 (, 3, 4); 11 (, 3, 4); 12 (, 3, 4); 13 (, 3, 4); 14 (, 3, 4); 15 (, 3, 4); 16 (, 3, 4); 17 (, 3, 4); 18 (, 3, 4); 19 (, 3, 4); 20 (, 3, 4); 21 (, 3, 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, 3, 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 5); 38 (, 1 to 5); 39 (, 1 to 5); 40 (, 1 to 5); 41 (, 1 to 3, 5); 42 (, 1 to 6); 43 (, 1, 2, 4 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 5); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1, 2); 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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Portico
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Preserved
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2026-02-12
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Preserved : 1978: 6(3-4), 1979: 7(3-4), 1980: 8(3-4), 1981: 9, New Series(3-4), 1982: 10(3-4), 1983: 11(3-4), 1984: 12(3-4), 1985: 13(3-4), 1986: 14(3-4), 1987: 15(3-4), 1988: 16(3-4), 1989: 17(3-4), 1990: 18(3-4), 1991: 19(3-4), 1992: 20(3-4), 1993: 21(3-4), 1994: 22(1-4), 1995: 23(1-4), 1996: 24(1-4), 1997: 25(1-4), 1998: 26(2, 4), 1999: 27(3-4), 2000: 28(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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21 to 28, 32 to 53
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 30(4), 2003: 31(3), 2004: 32(1, 4), 2005: 33(1-2, 4), 2006: 34(2), 2007: 35(1-5), 2008: 36(1-6), 2009: 37(1-5), 2010: 38(1-5), 2010/2011: 39(1-5), 2011/2012: 40(1-5), 2012/2013: 41(1-5), 2014: 42(1-6), 2015: 43(1-6), 2016: 44(1-6), 2017: 45(1-6), 2018: 46(1-6), 2019: 47(1-6), 2020: 48(1-6), 2021: 49(1-6), 2022: 50(1-6), 2023: 51(1-6), 2024: 52(1-6), 2025: 53(1-4)
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Library of Congress
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Preserved
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2025-04-07
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47 (3 to 6); 48 (1 to 6); 49 (1 to 5); 50 (2 to 6); 51 (1 to 6); 52 (1 to 5)
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