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LOCKSS Archive
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Preserved
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2026-05-04
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1 to 15
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Portico
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Preserved
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2026-04-30
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Preserved : 2010: 7(1-6), 2011: 8(1-6), 2012: 9(1-6), 2013: 10(1-6), 2014: 11(1-6), 2015: 12(1-6), 2016: 13(1-6), 2017: 14(1-6), 2018: 15(1-6)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1-4); 2 (5, 6); 3 (1-4, 5, 6); 4 (1-4, 5, 6); 5 (1-4, 5, 6); 6 (1 to 6); 7 (sup1, 1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (sup1, 1 to 6); 12 (sup1, 1 to 6); 13 (1 to 3, 5, 6); 14 (sup1, 1 to 6); 15 (1, 3 to 6)
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Library of Congress
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Preserved
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2025-04-07
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7 (sup1, 1 to 6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (sup1, 1 to 6); 12 (sup1, 1 to 6); 13 (1 to 6); 14 (sup1, 1 to 6); 15 (1 to 6)
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CLOCKSS Archive
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Preserved
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2026-05-04
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5 to 15
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