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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 8
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Portico
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Preserved
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2026-02-12
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Preserved : 2015: 1(1-4), 2016/2017: 2(1-4), 2017/2018: 3(1-4), 2018/2019: 4(1-4), 2019: 5(1-4), 2020: 6(1-4), 2021: 7(1-4), 2022: 8(1-4), 2023: 9(1-4), 2024: 10(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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5 (1 to 4); 6 (1 to 4); 7 (1 to 3); 8 (1 to 4)
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