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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 51
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Portico
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Preserved
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2026-02-12
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Preserved : 1976: 1(1-3), 1977: 2(1-6), 1978: 3(1-6), 1979: 4(1-6), 1980: 5(1-6), 1981: 6(1-6), 1982: 7(1-6), 1983: 8(1-6), 1984: 9(1-6), 1985: 10(1-6), 1986: 11(1-6), 1987: 12(1-6), 1988: 13(1-6), 1989: 14(1-6), 1990: 15(1-6), 1991: 16(1-6), 1992: 17(1-6), 1993: 18(1-6), 1994: 19(1-6), 1995: 20(1-6), 1996: 21(1-6), 1997: 22(1-6), 1998: 23(1-6), 1999: 24(1-6), 2000: 25(1-6), 2001: 26(1-6), 2002: 27(1-6), 2003: 28(1, S 1, 2-6, ), 2004: 29(1-6), 2005: 30(1-6), 2006: 31(1-10), 2007: 32(1-10), 2008: 33(1-10), 2009: 34(1-10), 2010: 35(1-12), 2011: 36(1-12), 2012: 37(1-12), 2013: 38(1-12), 2014: 39(1-12), 2015: 40(1-12), 2016: 41(1-12), 2017: 42(1-12), 2018: 43(1-12), 2019: 44(1-12), 2020: 45(1-12), 2021: 46(1-10, 12), 2022: 47(1-12), 2023: 48(1-12), 2024: 49(1-12), 2025: 50(1-12), 2026: 51(1-2)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 6 (3); 12 (, 2 to 4, 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24a (, 1 to 6); 25A (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 10); 32 (, 1 to 10); 33 (, 1 to 10); 34 (, 1 to 10); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 5, 7 to 12); 38 (, 1 to 6, 8 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1); 42 (, 3 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 7, 11, 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 12); 49 (, 1, 2, 4 to 12); 50 (, 1 to 8); 1981; 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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Internet Archive
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Preserved
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2025-08-08
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1 to 39
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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 (1-3); 2 (1-6); 3 (1-6); 4 (1-6); 5 (1-6); 6 (1-6); 7 (1-6); 8 (1-4-6); 9 (1-6); 10 (1-5, 6P1); 11 (1-6); 12 (1-4-6); 13 (1-6); 14 (1-3-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1, 2, 4-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (S1, 1-6); 29 (1-6); 30 (1-6, 11); 31 (1-10); 32 (1-10); 33 (1-10); 34 (1-10); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-12); 39 (1-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1, 2, 4-7, 9-12); 44 (1-11); 153 (1)
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