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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); 5 (, 1, 2); 6 (, 1 to 3); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 3); 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 (, 6); 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73; 75; 76; 77; 78; 79; 1980; 1981; 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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5 to 82
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 5(1-2), 1987: 6(1-3), 1988: 7(1-3), 1989: 8(1-3), 1990: 9(1-3), 1991: 10(1-3), 1992: 11(1-3), 1993: 12(1-3), 1994: 13(1-3), 1995: 14(1-3), 1996: 15(1-4), 1997: 16(1-4), 1998: 17(1-4), 1999: 18(1, S 1, 2-4), 2000: 19(1-4), 2001: 20(1, S 1, 2-4), 2002: 21(1-4), 2002/2003: 22(1-4), 2004: 23(1-4), 2005: 24(1-4), 2006: 25(1-4), 2007: 26(1-4), 2008: 27(1-4), 2009: 28(1-4), 2010: 29(1-4), 2011: 30(1-4), 2012: 31(1-4), 2013: 32(1-4), 2014: 33(C), 2014: 34(C), 2014: 35(C), 2014: 36(C), 2015: 37(C), 2015: 38(C), 2015: 39(C), 2015: 40(C), 2016: 41(C), 2016: 42(C), 2016: 43(C), 2016: 44(C), 2017: 45, 2017: 46, 2017: 47, 2017: 48, 2018: 49, 2018: 50, 2018: 51, 2018: 52, 2019: 53, 2019: 54, 2019: 55, 2019: 56, 2020: 57, 2020: 58, 2020: 59, 2020: 60, 2021: 61, 2021: 62, 2021: 63, 2021: 64, 2022: 65, 2022: 66, 2022: 67, 2022: 68, 2023: 69, 2023: 70, 2023: 71, 2023: 72, 2024: 73, 2024: 74, 2024: 75, 2024: 76, 2025: 77, 2025: 78, 2025: 79, 2025: 80, 2026: 81, 2026: 82
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Internet Archive
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Preserved
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2025-08-08
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1 to 22
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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, 2); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-4); 16 (1-4); 17 (1-4); 18 (S1, 1-4); 19 (1-4); 20 (S1, 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); 30 (1-4); 31 (1-3); 32 (2-4); 33 (C); 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 50; 51; 52; 53; 54; 55; 56
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