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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 to 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 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); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1); 1966; 1967; 1968; 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; 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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9 to 55
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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 41, 50 to 59
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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 36, 42, 43, 59
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Portico
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Preserved
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2026-02-12
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Preserved : 1966/1967: 1(1-4), 1967/1968: 2(1-4), 1969: 3(1-4), 1970: 4(1-4), 1971: 5(1-4), 1972: 6(1-4), 1973: 7(1-4), 1974: 8(1-4), 1975: 9(1-4), 1976: 10(1-4), 1977: 11(1-4), 1978: 12(1-4), 1979: 13(1-4), 1980: 14(1-4), 1981: 15(1-4), 1982: 16(1-4), 1983: 17(1-4), 1984: 18(1-4), 1985: 19(1-4), 1986: 20(1-4), 1987/1988: 21(1-4), 1988/1989: 22(1-4), 1989/1990: 23(1-4), 1990/1991: 24(1-4), 1991/1992: 25(1-4), 1992/1993: 26(1-4), 1993/1994: 27(1-4), 1994/1995: 28(1-4), 1995/1996: 29(1-4), 1996/1997: 30(1-4), 1997/1998: 31(1-4), 1998/1999: 32(1-4), 1999/2000: 33(1-4), 2000/2001: 34(1-4), 2001/2002: 35(1-4), 2002/2003: 36(1-4), 2003/2004: 37(1-4), 2004/2005: 38(1-4), 2005/2006: 39(1-4), 2006/2007: 40(1-4), 2007/2008: 41(1-4), 2008/2009: 42(1-4), 2009/2010: 43(1-4), 2010/2011: 44(1-4), 2011/2012: 45(1-4), 2012/2013: 46(1-4), 2013/2014: 47(1-4), 2014/2015: 48(1-4), 2015/2016: 49(1-4), 2016/2017: 50(1-4), 2017/2018: 51(1-4), 2018/2019: 52(1-4), 2019/2020: 53(1-4), 2020/2021: 54(1-4), 2021/2022: 55(1-4), 2022/2023: 56(1-4), 2023/2024: 57(1-4), 2024/2025: 58(1-4), 2025/2026: 59(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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37 to 41, 44 to 58
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CLOCKSS Archive
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Preserved
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2026-02-09
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42 to 49
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Library of Congress
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Preserved
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2025-04-07
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43 (4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 3)
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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 (1-4); 3 (1-4); 4 (1, 4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (2-4); 10 (1-3); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-3); 17 (1-3); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1, 4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1, 3, 4); 37 (1-3); 38 (2-4); 39 (2-4); 40 (1-4); 41 (1-4); 42 (1, 3); 43 (1-3); 44 (1-4); 45 (1, 2); 46 (1-4); 47 (1-4); 48 (1, 2, 4); 49 (1-4); 50 (1-3); 51 (1-4); 52 (1, 3, 4); 53 (1-3)
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British Library
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Preserved
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2019-09-18
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Preserved : 47 (4), 48 (1 to 4), 49 (1 to 4), 50 (1 to 4), 51 (1 to 4), 52 (1 to 3)
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