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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 (, 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, 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 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; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 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 74
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 1(1-4), 1987: 2(1-4), 1988: 3(1-4), 1989: 4(1-4), 1990: 5(1-4), 1991: 6(1-4), 1992: 7(1-4), 1993: 8(1-4), 1994: 9(1-4), 1995: 10(1-4), 1996: 11(1-4), 1997: 12(1-4), 1998: 13(1-4), 1999: 14(1-4), 2000: 15(1-4), 2001: 16(1-4), 2002: 17(1-4), 2003: 18(1-4), 2004: 19(1-4), 2005: 20(1-4), 2006: 21(1-4), 2007: 22(1-4), 2008: 23(1-4), 2009: 24(1-4), 2010: 25(1-4), 2011: 26(1-4), 2012: 27(1-4), 2013: 28(1-4), 2014: 29(1-4), 2015: 30(Part A, Part B), 2015: 31(C), 2015: 32(C), 2015: 33(C), 2016: 34(C), 2016: 35(C), 2016: 36, 2016: 37, 2017: 38, 2017: 39, 2017: 40, 2017: 41, 2018: 42, 2018: 43, 2018: 44, 2018: 45, 2019: 46, 2019: 47, 2019: 48, 2019: 49, 2020: 50(Part 1, Part 2, Part 3), 2020: 51, 2020: 52(Part A, Part B), 2020: 53, 2021: 54, 2021: 55, 2021: 56, 2021: 57, 2022: 58, 2022: 59, 2022: 60, 2022: 61, 2023: 62, 2023: 63, 2023: 64, 2023: 65, 2024: 66, 2024: 67, 2024: 68, 2024: 69(S, ), 2025: 70, 2025: 72, 2025: 73, 2026: 74
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Internet Archive
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Preserved
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2025-08-08
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11 to 30
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1, 2, 3-4, 10S); 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 (1-5); 27 (1-4); 28 (2-4); 29 (1-4); 30 (PA); 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48
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