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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 77
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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 14); 2 (, 1 to 12); 3 (, 1 to 9, 10-12); 4 (, 1, 2-3, 4 to 12); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 12); 8 (, 1, 2-3, 4, 5-6, 7, 8, 9-10, 11, 12); 9 (, 1 to 12); 10 (, 1, 2, 3-4, 5 to 12); 11 (, 1 to 12); 12 (, 1, 2-3, 4 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 7, 8-9, 10 to 12); 16 (, 1 to 12); 17 (, 1 to 3, 4-5, 6-7, 8 to 12); 18 (, 1-2, 3, 4-5, 6 to 8, 9-10, 11, 12); 19 (, 1 to 12); 20 (, 1 to 3, 4-5, 6 to 12); 21 (, 1-2, 3 to 7, 8-9, 10 to 12); 22 (, 1 to 12); 23 (, 1 to 4, 5-6, 7 to 12); 24 (, 1 to 12, 144); 25 (, 1, 2, 3-4, 5, 6, 7-8, 9 to 12); 26 (, 1 to 12); 27 (, 1 to 5, 6-7, 8 to 12); 28 (, 1, 2-3, 4 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 8, 10 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 8, 10 to 12); 53 (, 1 to 12); 54 (, 1 to 11); 55 (, 1 to 12); 56 (, 1 to 12); 57 (, 1 to 12); 58 (, 1 to 12); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 4, 6 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 12); 66 (, 2, 9 to 12); 67 (, 1, 3 to 12); 68 (, 1 to 12); 69 (, 1 to 12); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 12); 73 (, 1 to 12); 74 (, 1 to 12); 75 (, 1 to 12); 76 (, 1 to 6); 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999 (144); 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 : 1981: 1(1-14), 1982/1983: 2(1-12), 1983/1984: 3(1-12), 1984: 4(1-12), 1985: 5(1-12), 1986: 6(1-12), 1987: 7(1-12), 1988: 8(1-12), 1989: 9(1-12), 1990: 10(1-12), 1991: 11(1-12), 1992: 12(1-12), 1993: 13(1-12), 1994: 14(1-12), 1995: 15(1-12), 1995: 16(1-12), 1996: 17(1-12), 1996: 18(1-12), 1997: 19(1-12), 1997: 20(1-12), 1998: 21(1-12), 1998: 22(1-12), 1999: 23(1-12), 1999: 24(1-12), 2000: 25(1-12), 2000: 26(1-12), 2001: 27(1-12), 2001: 28(1-12), 2002: 29(1-12), 2002: 30(1-12), 2003: 31(1-12), 2003: 32(1-12), 2004: 33(1-12), 2004: 34(1-12), 2005: 35(1-12), 2005: 36(1-12), 2006: 37(1-12), 2006: 38(1-12), 2007: 39(1-12), 2007: 40(1-12), 2008: 41(1-12), 2008: 42(1-12), 2009: 43(1-12), 2009: 44(1-12), 2010: 45(1-12), 2010: 46(1-12), 2011: 47(1-12), 2011: 48(1-12), 2012: 49(1-12), 2012: 50(1-12), 2013: 51(1-12), 2013: 52(1-12), 2014: 53(1-12), 2014: 54(1-12), 2015: 55(1-12), 2015: 56(1-12), 2016: 57(1-12), 2016: 58(1-12), 2016/2017: 59(1-12), 2017: 60(1-12), 2018: 61(1-12), 2018: 62(1-12), 2019: 63(1-12), 2019: 64(1-12), 2020: 65(1-12), 2020: 66(1-12), 2021: 67(1-12), 2021: 68(1-12), 2022: 69(1-12), 2022: 70(1-12), 2023: 71(1-12), 2023: 72(1-12), 2024: 73(1, 3-12), 2024: 74(1-12), 2025: 75(1-12), 2025: 76(1-12), 2026: 77(1-4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 36
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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 (1-14); 2 (1-12); 3 (1-9, 10-12); 4 (1, 2-3, 4-12); 5 (1-12); 6 (1-12); 7 (1-12); 8 (1-3, 4, 5-6, 7, 8, 9-10, 11, 12); 9 (1-12); 10 (1, 2, 3-4, 5-12); 11 (1-12); 12 (1, 2-3, 4-12); 13 (1-12); 14 (1-12); 15 (1-7, 8-9, 10-12); 16 (1-12); 17 (1-3, 4-5, 6-7, 8-12); 18 (1-2, 3, 4-5, 6-8, 9-10, 11, 12); 19 (1-12); 20 (1-3, 4-5, 6-12); 21 (1-2, 3-7, 8-9, 10-12); 22 (1-12); 23 (1-4, 5-6, 7-12); 24 (1-12); 25 (1, 2, 3-4, 5, 6, 7-8, 9-12); 26 (1-12); 27 (1-5, 6-7, 8-12); 28 (1, 2-3, 4-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 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 (1-12); 44 (1-12); 45 (1-12); 46 (1-12); 47 (1-8, 10-12); 48 (1-12); 49 (1-12); 50 (1-12); 51 (2-12); 52 (1-12); 53 (1-12); 54 (1-12); 55 (1-12); 56 (1-12); 57 (1-12); 58 (1-12); 59 (1-12); 60 (1-12); 61 (2-4, 7-9, 11, 12); 62 (1-4, 8-12); 63 (2-12); 64 (1-11); 115 (5); 232 (8)
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