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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1 to 3); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 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 to 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 4); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1); 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; 2022; 2023; 2024
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Internet Archive
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Preserved
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2025-08-08
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4 to 43
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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 35, 45 to 53
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 31, 37, 53
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Portico
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Preserved
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2026-02-12
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Preserved : 1971/1972: 1(1-3), 1973: 2(1-3), 1974: 3(1-3), 1975: 4(1-3), 1976: 5(1-3), 1977: 6(1-3), 1978: 7(1-3), 1979: 8(1-3), 1980: 9(1-3), 1981: 10(1-3), 1982: 11(1-3), 1983: 12(1-3), 1984: 13(1-3), 1985: 14(1-3), 1986: 15(1-3), 1987: 16(1-3), 1988: 17(1-3), 1989: 18(1-3), 1990: 19(1-3), 1991: 20(1-3), 1992: 21(1-3), 1993: 22(1-3), 1994: 23(1-3), 1995: 24(1-3), 1996: 25(1-3), 1997: 26(1-3), 1998: 27(1-4), 1999: 28(1-3), 2000: 29(1-3), 2001: 30(1-3), 2002: 31(1-3), 2003: 32(1-3), 2004/2005: 33(1-3), 2005/2006: 34(1-3), 2006/2007: 35(1-3), 2007/2008: 36(1-3), 2008/2009: 37(1-3), 2009/2010: 38(1-3), 2010/2011: 39(1-3), 2011/2012: 40(1-3), 2012/2013: 41(1-3), 2013/2014: 42(1-3), 2014/2015: 43(1-3), 2015/2016: 44(1-3), 2016/2017: 45(1-3), 2017/2018: 46(1-3), 2018/2019: 47(1-3), 2019/2020: 48(1-3), 2020/2021: 49(1-3), 2021/2022: 50(1-3), 2022/2023: 51(1-3), 2023/2024: 52(1-3), 2024/2025: 53(1-3), 2025: 54(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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32 to 36, 38 to 52
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CLOCKSS Archive
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Preserved
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2026-02-09
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36 to 44
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-3); 2 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-3); 25 (1-3); 26 (1-3); 27 (1-4); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1-3); 34 (1-3); 35 (1-3); 36 (1-3); 37 (1, 3); 38 (1-3); 39 (1-3); 40 (1-3); 41 (1-3); 42 (1-3); 43 (1-3); 44 (1-3); 45 (1-3); 46 (1-3); 47 (1-3); 48 (1)
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British Library
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Preserved
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2019-09-18
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Preserved : 42 (2 to 3), 43 (1 to 3), 44 (1 to 3), 45 (1 to 3), 46 (1 to 3), 47 (1)
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Library of Congress
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Preserved
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2025-04-07
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38 (3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 50 (1 to 3); 51 (1 to 3); 52 (1, 2)
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