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