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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1, 2, 3-4); 4 (1, 2, 3-4); 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); 12 (1, 2-3, 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 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 18
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LOCKSS Archive
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In Progress
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2026-04-06
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Portico
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Preserved
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2026-04-02
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Preserved : 1988/1989: 1(1-4), 1989/1990: 2(1-4), 1991: 3(1-4), 1991/1992: 4(1-4), 1993: 5(1-4), 1994: 6(1-4), 1995: 7(1-4), 1996: 8(1-4)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 19
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Portico
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Preserved
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2026-04-02
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Preserved : 2003: 15(4), 2004: 16(3)
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Portico
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Preserved
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2026-04-02
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Preserved : 2005: 17(4), 2006: 18(2-3), 2007: 19(1-2)
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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 : 9 (1-4); 10 (1-4); 11 (1-4); 12 (1, 2, 4); 13 (1-3); 14 (1-4); 15 (1, 2, 4); 16 (1-4); 17 (1-4); 18 (1, 2); 19 (1-4)
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