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Portico
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Preserved
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2026-02-12
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Preserved : 1975: 11(1-2, Index 1, 3-12), 1976: 12(1, Index 1, 2-6), 1977: 13(1, Index 1, 2-6), 1978: 14(1, Index 1, 2-6), 1979: 15(1, Index 1, 2-6), 1980: 16(1, Index 1, 2-6), 1981: 17(1-6), 1982: 18(1-6), 1983: 19(1-6), 1984: 20(1-6), 1985: 21(1-6), 1986: 22(1-6), 1987: 23(1-6), 1988: 24(1-6), 1989: 25(1-6), 1990: 26(1-6), 1991: 27(1-6), 1992: 28(1-6), 1993: 29(1-6), 1994: 30(1-6), 1995: 31(1-6), 1996: 32(1-6), 1997: 33(1-6), 1998: 34(1-6), 1999: 35(1-6), 2000: 36(1-6), 2001: 37(1-6), 2002: 38(1-6), 2003: 39(1-6), 2004: 40(1-6), 2005: 41(1-6), 2006: 42(1-6), 2007: 43(1-6), 2008: 44(1-6), 2009: 45(1-6), 2010: 46(1-6), 2011: 47(1-6), 2012: 48(1-6), 2013: 49(1-6), 2014: 50(1-6), 2015: 51(1-6), 2016: 52(1-6), 2017: 53(1-6), 2018: 54(1-6), 2019: 56(1-6), 2020: 57(1-6), 2021: 58(1-6), 2022: 59(1-6), 2023: 60(1-6), 2024: 61(1-6), 2025: 62(1-6), 2026: 63(1, 2, Part A, 2, Part B, 3)
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Internet Archive
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Preserved
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2025-08-08
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1 to 44
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 11 (1-2, 3-4, 5-7, 8-12); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1, 2, 3-4, 5, 6); 15 (, 1 to 6); 16 (, 1 to 3, 4-5, 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1-2, 3, 4, 5-6); 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, 2-3, 4 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, 2-3, 4 to 6); 35 (, 1 to 6); 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 6); 52 (, 1 to 6); 53 (, 1, 3 to 6); 54 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 4, 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1 to 6); 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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11 to 54, 56 to 63
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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 : 11 (I1, 1-2, 3-4, 5-7, 8-12); 12 (I1, 1-6); 13 (1-6); 14 (I1, 1, 2, 3-4, 5, 6); 15 (I1, 1-6); 16 (1-3, 4-5, 6); 17 (1-3, 5, 6); 18 (1-6); 19 (1-6); 20 (1-2, 3, 4, 5-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (S1, 1-6); 26 (1-6); 27 (1, 2-3, 4-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1, 2-3, 4-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (2, 3, 5, 6); 50 (1-6); 51 (1-6); 52 (1-4, 6); 53 (1-6); 54 (1-6); 56 (1-6)
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