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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3 (2, 4); 4 (, 2); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1-2, 3, 4); 8 (, 1 to 4); 9 (, 1, 2-3, 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 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1, 2, 3-4, 5, 6); 27 (, 1 to 3, 4-5, 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1, 2-3, 4 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 5); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1, 2-3, 4 to 6); 41 (, 1 to 6); 42 (, 1-2, 3 to 6); 43 (, 1 to 6); 44; 45; 46; 47; 48; 49; 50; 51; 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; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 106; 107; 108; 109; 110; 111; 112; 113; 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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Portico
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Preserved
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2026-02-12
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Preserved : 1973: 3(2, 4), 1974: 4(2), 1975: 5(1-4), 1976: 6(1-4), 1977: 7(1-4), 1978: 8(1-4), 1979: 9(1-4), 1980: 10(1-4), 1981: 11(1-4), 1982: 12(1-4), 1983: 13(1-4), 1984: 14(1-4), 1985: 15(1-4), 1986: 16(1-4), 1987: 17(1-4), 1988: 18(1-4), 1989: 19(1-4), 1990/1991: 20(1-4), 1991: 21(1-4), 1992: 22(1-4), 1993: 23(1-6), 1994: 24(1-6), 1995: 25(1-6), 1996: 26(1-6), 1997: 27(1-6), 1998: 28(1-6), 1999: 29(1-6), 2000: 30(1-6), 2001: 31(1-6), 2002: 32(1-6), 2003: 33(1-6), 2004: 34(1-6), 2005: 35(1-6), 2006: 36(1-6), 2007: 37(1-6), 2008: 38(1-6), 2009: 39(1-6), 2010: 40(1-6), 2011: 41(1-6), 2012: 42(1-6), 2013: 43(1-6), 2014: 44(C), 2014: 45(C), 2014: 46(C), 2014: 47(C), 2014: 48(C), 2014: 49(C), 2015: 50(C), 2015: 51(C), 2015: 52(C), 2015: 53(C), 2015: 54(C), 2015: 55(C), 2016: 56(C), 2016: 57(C), 2016: 58(C), 2016: 59(C), 2016: 60(C), 2016: 61, 2017: 62, 2017: 63, 2017: 64, 2017: 65, 2017: 66, 2017: 67, 2018: 68, 2018: 69, 2018: 70, 2018: 71, 2018: 72, 2018: 73, 2019: 74, 2019: 75, 2019: 76, 2019: 77, 2019: 78, 2019: 79, 2020: 80, 2020: 81, 2020: 82, 2020: 83, 2020: 84, 2021: 86, 2021: 87, 2021: 88, 2021: 89, 2021: 90, 2021: 91, 2022: 92, 2022: 93, 2022: 94, 2022: 95, 2022: 96, 2022: 97, 2023: 98, 2023: 99, 2023: 100, 2023: 101, 2023: 102, 2023: 103, 2024: 104, 2024: 105, 2024: 107, 2024: 108, 2024: 109, 2025: 110, 2025: 111, 2025: 112, 2025: 113, 2025: 114, 2025: 115, 2026: 116, 2026: 117
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CLOCKSS Archive
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Preserved
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2026-02-09
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5 to 117
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Internet Archive
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Preserved
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2025-08-08
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15 to 38
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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 : 5 (1-4); 6 (1-4); 7 (1-2, 3, 4); 8 (1-4); 9 (1, 2-3, 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 (1-4); 22 (1-4); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1, 2, 3-4, 5, 6); 27 (1-3, 4-5, 6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1, 2-3, 4-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1, 2-3, 4-6); 41 (1-6); 42 (1-2, 3-6); 43 (1-6); 44 (C); 45; 46; 47; 48; 49; 50; 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
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