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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, 2, 3-4); 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 (, 2 to 4); 15 (, 1, 3, 4); 16 (, 1 to 4); 17 (, 1 to 4, 66 to 68); 18 (, 1 to 4, 69 to 72); 19 (, 1 to 4, 74 to 76); 20 (, 1 to 4, 77, 79); 21 (, 1 to 4, 81, 82); 22 (, 1 to 4, 85 to 87); 23 (, 1 to 4, 90); 24 (, 1 to 4, 91, 92); 25 (, 1 to 4, 94 to 96); 26 (, 1 to 4, 97); 27 (, 1 to 4, 100, 101); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4, 110, 111); 31 (, 1 to 4, 112); 32 (, 1 to 4, 116); 33 (, 1 to 4, 118, 120); 34 (, 1 to 4, 121 to 123); 35 (, 2-3, 4, 124 to 126); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1, 2, 3-4); 39 (, 1, 2, 3-4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1, 2, 4); 43 (, 1, 3, 4); 44 (, 4); 45 (, 1, 3, 4); 46 (, 1, 3, 4); 47 (, 1, 3, 4); 48 (, 1 to 4); 49 (, 1, 2); 1958; 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 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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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 49
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1(1-4), 1978: 2(1-4), 1979: 3(1-4), 1980: 4(1-4), 1981: 5(1-4), 1982: 6(1-4), 1983: 7(1-4), 1984: 8(1-4), 1985: 9(1-4), 1986: 10(1-4), 1987: 11(1-4), 1988: 12(1-4), 1989: 13(1-4), 1990: 14(1-4), 1991: 15(1-4), 1992: 16(1-4), 1958/1993: 17(1-4, 66-68, ), 1959/1994: 18(1-4, 69-72, ), 1960/1995: 19(1-4, 74-76), 1961/1996: 20(1-4, 77, 79), 1962/1997: 21(1-4, 81-82), 1963/1998: 22(1-4, 85-87), 1964/1999: 23(1-4, 90), 1965/2000: 24(1-4, 91-92), 1966/2001: 25(1-4, 94-96), 1967/2002: 26(1-4, 97), 1968/2003: 27(1-4, 100-101), 2004: 28(1-4), 2005: 29(1-4), 1971/2006: 30(1-4, 110-111), 1972/2007: 31(1-4, 112), 1973/2008: 32(1-4, 116), 1974/2009: 33(1-4, 118, 120), 1975/2010: 34(1-4, 121-123), 1976/2011: 35(1-4, 124-126), 2012: 36(1-4), 2013: 37(1-4), 2014: 38(1-4), 2015: 39(1-4), 2016: 40(1-4), 2017: 41(1-4), 2018: 42(1-4), 2019: 43(1-4), 2020: 44(1-4), 2021: 45(1-4), 2022: 46(1-4), 2023: 47(1-4), 2024: 48(1-4), 2025: 49(1-4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 35
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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, 3-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 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 (1-3); 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); 35 (1, 2-3, 4); 36 (1-4); 37 (1-4); 38 (1, 2, 3-4); 39 (1, 2, 3-4); 40 (1-4); 41 (1-4); 42 (1, 2-3, 4); 43 (1-2)
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