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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 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 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
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LOCKSS Archive
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In Progress
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2026-02-09
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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(1-6), 1982: 3(1-6), 1983: 4(1-6), 1984: 5(1-12), 1985: 6(1-12), 1986: 7(1-12), 1987: 8(1-12), 1988: 9(1-12), 1989: 10(1-12), 1990: 11(1-12), 1991: 12(1-12), 1992: 13(1-12), 1993: 14(1-12), 1994: 15(1-12), 1995: 16(1-12), 1996: 17(1-12), 1997: 18(1-12)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 29
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 20(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 24(7)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 27(2-4, 6-12), 2007: 28(1-2, 5-8, 10-12), 2008: 29(2-12)
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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 : 19 (1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-12); 24 (1-12); 25 (1-12); 26 (1-12); 27 (1-12); 28 (1, 2, 6-12); 29 (1-12)
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