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Scholars Portal
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Preserved
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2026-06-02
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Preserved : 1 (1 to 4); 2 (1, 2-3, 4); 3 (1 to 4); 4 (1-2, 3, 4); 5 (1, 2, 3-4); 6 (1-2, 3, 4); 7 (2, 3-4); 9 (1, 2-3, 4); 10 (1 to 4); 11 (1, 3, 4); 12 (1-2, 3, 4); 13 (1-2, 3, 4); 14 (1, 2, 3-4); 15 (1, 2, 3-4); 16 (1, 2, 3-4)
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Portico
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Preserved
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2026-07-16
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Preserved : 2006: 4(4), 2006/2007: 5(1-4), 2007: 6(1-2, 4)
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CLOCKSS Archive
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Preserved
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2026-07-06
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1 to 16
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LOCKSS Archive
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Preserved
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2026-07-06
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1 to 16
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Portico
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Preserved
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2026-07-16
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Preserved : 2011: 10(1-4), 2012: 11(1-4), 2013: 12(1-4), 2014: 13(1-4), 2015: 14(1-4), 2016: 15(1-4), 2017: 16(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 (1-4); 2 (1, 2-3, 4); 3 (1-4); 4 (1-2, 3, 4); 5 (1, 2, 3-4); 6 (1-2, 3, 4); 7 (1, 2, 3-4)
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Library of Congress
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Preserved
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2025-04-07
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16 (2, 3-4)
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