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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 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 13 (, 1 to 4); 14 (, 2 to 4); 15 (, 1 to 4); 16 (, 2 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, 2, 4); 29 (, 1, 2, 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 3); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1, 2); 46 (, 1, 2); 47 (, 1-2); 48 (, 1-2); 49 (, 1, 2); 50 (, 1, 2); 51 (, 1, 2); 52 (, 1, 2); 53 (, 1, 2); 54 (, 1, 2); 55 (, 1, 2); 56 (, 1-2); 57 (, 1, 2); 58 (, 1, 2); 59 (, 1 to 12); 60 (, 1 to 12); 61 (, 1 to 12); 62 (, 1 to 12); 63 (, 1 to 12); 64 (, 1 to 12); 65 (, 1 to 8, 9-10, 11, 12); 66 (, 1 to 12); 67 (, 1-2, 3, 4-5, 6 to 12); 68 (, 1 to 12); 69 (, 1 to 3, 4-5, 6 to 12); 70 (, 1 to 12); 71 (, 1 to 12); 72 (, 1 to 5, 7, 8, 10 to 12); 73 (, 1 to 12); 74 (, 1 to 12); 75 (, 1 to 11); 76 (, 1, 2-3, 4 to 12); 77 (, 1 to 12); 78 (, 1 to 3, 5, 7, 9 to 11); 79 (, 1 to 12); 80 (, 1 to 12); 81 (, 1, 2, 4, 5, 10, 12); 82 (, 1 to 12); 83 (, 1 to 8, 10 to 12); 84 (, 1 to 5, 8 to 12); 85 (, 1, 3 to 6); 86 (, 1 to 4); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 87
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Portico
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Preserved
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2026-02-12
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Preserved : 1980: 1(1-4), 1981: 2(1-4), 1981: 3(1-4), 1982: 4(1-4), 1982: 5(1-4), 1983: 6(1-4), 1983: 7(1-4), 1983: 8(1-4), 1984: 9(1-4), 1984: 10(1-4), 1984: 11(1-4), 1985: 12(1-4), 1985: 13(1-4), 1985: 14(1-4), 1986: 15(1-4), 1986: 16(1-4), 1986: 17(1-4), 1987: 18(1-4), 1987: 19(1-4), 1987: 20(1-4), 1988: 21(1-4), 1988: 22(1-4), 1988: 23(1-4), 1989: 24(1-4), 1989: 25(1-4), 1989: 26(1-4, S, ), 1990: 27(1-4), 1990: 28(1-4), 1990: 29(1-4, S), 1991: 30(1-4), 1991: 31(1-4), 1991: 32(1, S 1, 2-4, ), 1992: 33(1-4), 1992: 34(1-4), 1992: 35(1-4), 1993: 36(1-4), 1993: 37(1, S 1, 2-4, ), 1993: 38(1-4), 1994: 39(1-4), 1994: 40(1, S 1, 2-4, ), 1994: 41(1-4), 1995: 42(1-4), 1995: 43(1-4), 1995: 44(1, S 1, 2-4), 1996: 45(1-2), 1996: 46(1-2), 1996: 47(1-2), 1996: 48(1-2), 1996: 49(1, S 1, 2), 1996: 50(1-2), 1996: 51(1-2), 1997: 52(1-2), 1997: 53(1-2), 1997: 54(1-2), 1997: 55(1, S 1, 2), 1997: 56(1-2), 1997: 57(1-2), 1997: 58(1-2), 1998: 59(1, S 1, 2-12, ), 1999: 60(1-2, S 2, 3-12), 2000: 61(1-12), 2001: 62(1-12), 2002: 63(1-12), 2003: 64(1-12), 2004: 65(1-12), 2005: 66(1-12), 2006: 67(1-2, S 1, 3-12, ), 2007: 68(1-12), 2008: 69(1, S 1, 2-12), 2009: 70(1, S 1, 2-12), 2010: 71(1, S 1, 2-12), 2011: 72(1, S 1, 2-12), 2012: 73(1-12, S, ), 2013: 74(1-12, S), 2014: 75(1-12, S), 2015: 76(1-12, S), 2016: 77(1-12, S), 2017: 78(1-12, S), 2018: 79(1-12, S), 2019: 80(1-12, S), 2020: 81(1-12, S), 2021: 82(1, 3-12, S), 2022: 83(1-12, S), 2023: 84(1-12, S), 2024: 85(1-6, ), 2025: 86(1-6, ), 2026: 87(1-2)
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Internet Archive
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Preserved
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2025-08-08
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12 to 32
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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, 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 (1-4); 24 (1-4); 25 (1-4); 26 (S, 1-4); 27 (1-4); 28 (1-4); 29 (S, 1-4); 30 (1-4); 31 (1-4); 32 (S1, 1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (S1, 1-4); 38 (1-4); 39 (1-4); 40 (S1, 1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (S1, 1-4); 45 (1, 2); 46 (1, 2); 47 (1-2); 48; 49 (S1, 1, 2); 50 (1, 2); 51 (1, 2); 52 (1, 2); 53 (1, 2); 54 (1, 2); 55 (S1, 1, 2); 56 (1-2); 57 (2); 58 (1, 2); 59 (S1, 1-12); 60 (1-12); 61 (1-12); 62 (1-12); 63 (1-12); 64 (1-12); 65 (1-8, 9-10, 11, 12); 66 (1-12); 67 (S1, 1-2, 3, 4-5, 6-12); 68 (1-12); 69 (S1, 1-3, 4-5, 6-12); 70 (S1, 1-12); 71 (S1, 1-12); 72 (S1, 1-12); 73 (S, 1-12); 74 (S, 2-12); 75 (S, 1-12); 76 (S, 1, 2-3, 4-12); 77 (S, 1-12); 78 (S1, 1-4, 5-6, 7-8, 9, 10, 11-12); 79 (S, 1, 3-5, 7-12); 80 (S, 1-11)
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