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Portico
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Preserved
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2026-04-09
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Preserved : 2010: 1(1-2), 2011: 2(1-2), 2013: 3(1-4), 2014: 4(1-4), 2015: 5(1-4), 2016: 6(1-4), 2017: 7(1-4), 2018: 8(1-4), 2019: 9(1-4), 2020: 10(1-2, 4), 2021: 11(1-4), 2022: 12(1-4), 2023: 13(1-4), 2024: 14(1-4), 2025: 15(1-4), 2026: 16(1)
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Library of Congress
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Preserved
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2025-04-07
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1 (1, 2); 2 (1, 2); 3 (1 to 3-4); 4 (1, 2-3, 4); 5 (1 to 4); 6 (1-2, 3, 4); 7 (1, 2-3, 4); 8 (1 to 4)
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Scholars Portal
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Preserved
|
2026-03-19
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Preserved : 1 (1, 2); 2 (1, 2); 3 (1, 2, 3-4); 4 (1, 2-3, 4); 5 (1 to 4); 6 (1-2, 3, 4); 7 (1, 2-3, 4); 8 (1 to 4)
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|
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Portico
|
|
Preserved
|
2026-04-09
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Preserved : 2011: 2(1-2)
|
|
|
Portico
|
|
Preserved
|
2026-04-09
|
|
|
Preserved : 2013: 3(1-4), 2014: 4(1-4), 2015: 5(1-4), 2016: 6(1-4), 2017: 7(1-4), 2018: 8(1-4)
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CLOCKSS Archive
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Preserved
|
2026-04-06
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1 to 8
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LOCKSS Archive
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Preserved
|
2026-04-06
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|
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1 to 8
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