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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 3); 2 (, 1 to 3); 3 (, 1 to 3); 4 (, 1 to 3); 5 (, 1-2, 3); 6 (, 1, 2-3); 7 (, 1 to 3); 8 (, 1-2, 3); 9 (, 1 to 3); 10 (, 1, 2); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1, 2, 3-4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1, 2-3, 4); 18 (, 1-2, 3, 4); 19 (, 1, 2); 20 (, 1 to 3); 23 (, 1 to 4); 24 (, 1 to 4); 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2006; 2007; 2010; 2011
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 24
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 24
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 24(1-4)
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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 (1-3); 3 (1-3); 4 (1-3); 5 (1-2, 3); 6 (1, 2-3); 7 (1-3); 8 (1-2, 3); 9 (1-3); 10 (1, 2); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1, 2, 3-4); 15 (1-3); 16 (1-4); 17 (1, 2-3, 4); 18 (1-2, 3, 4); 19 (1, 2); 20 (1-3); 21 (1-4)
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Library of Congress
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Preserved
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2025-04-07
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23 (1 to 4); 24 (1 to 4)
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