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Internet Archive
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Preserved
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2025-08-08
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1 to 6
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 7 (1-2); 8 (, 1 to 4); 9; 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; 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 93; 94; 95; 96; 97; 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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CLOCKSS Archive
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Preserved
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2026-02-09
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7 to 99
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Portico
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Preserved
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2026-02-12
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Preserved : 1969: 7(1-2), 1970/1971: 8(1-4), 1971: 9, 1972/1973: 10(1-4), 1974: 11(1-4), 1975: 12(1-4), 1976: 13(1-4), 1977: 14(1-4), 1978: 15(1-4), 1979: 16(1-4), 1980: 17(1-4), 1981: 18(1-4), 1982: 19(1-4), 1983: 20(1-4), 1984: 21(1-4), 1985: 22(1-4), 1986: 23(1-4), 1987: 24(1-4), 1988: 25(1-4), 1989: 26(1-4), 1990: 27(1-4), 1991: 28(1-4), 1992: 29(1-4), 1993: 30(1-4), 1994: 31(1-4), 1995: 32(1-4), 1996: 33(1-4), 1997: 34(1-4), 1998: 35(1-4), 1999: 36(1-4), 2000: 37(1-4), 2001: 38(1-4), 2002: 39(1-4), 2003: 40(1-4), 2004: 41(1-4), 2005: 42(1-4), 2006: 43(1-4), 2007: 44(1-4), 2008: 45(1-4), 2009: 46(1-4), 2010: 47(1-4), 2011: 48(1-4), 2012: 49(1-4), 2013: 50(1-4), 2014: 51(C), 2014: 52(C), 2014: 53, 2014: 54(C), 2015: 55(C), 2015: 56(C), 2015: 57(C), 2015: 58(C), 2016: 59(C), 2016: 60(C), 2016: 61(C), 2016: 62, 2017: 63, 2017: 64, 2017: 65, 2017: 66, 2018: 67, 2018: 68, 2018: 69, 2018: 70, 2019: 71, 2019: 72, 2019: 73, 2019: 74, 2020: 75, 2020: 76, 2020: 77, 2020: 78, 2021: 79, 2021: 80, 2021: 81, 2021: 82, 2022: 83, 2022: 84, 2022: 85, 2022: 86, 2023: 87, 2023: 88, 2023: 89, 2023: 90, 2024: 91, 2024: 92, 2024: 93, 2024: 94, 2025: 95, 2025: 96, 2025: 97, 2025: 98, 2026: 99
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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 : 7 (1-2); 8 (2-4); 9 (C); 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 (1-4); 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 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-4); 48 (1-4); 49 (1-4); 50 (1-4); 51 (C); 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 68; 69; 70; 71; 72; 73; 124 (3)
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