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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 10
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Portico
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Preserved
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2026-04-23
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Preserved : 2020: 9(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 2022: 11(1-2), 2023/2024: 12(1-5), 2024: 13(1-6), 2025: 14(1-4)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (none); 2; 3; 4; 8; 9; 10
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Library of Congress
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Preserved
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2025-04-07
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1 (December 2012); 2 (2013); 3 (2014); 4 (2015); 5 (2016); 6 (2017); 7 (2018); 8 (2019); 9 (2020); 10 (2021)
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Portico
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Preserved
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2026-04-23
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Preserved : 2014: 3, 2015: 4, 2016: 5, 2017: 6, 2018: 7, 2019: 8, 2020: 9, 2021: 10
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Portico
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Preserved
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2026-04-23
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Preserved : 2012: 1(1), 2013: 2(1), 2014: 3(1), 2015: 4(1), 2016: 5(1), 2017: 6(1), 2018: 7(1), 2019: 8(1), 2020: 9(1), 2021: 10(1), 2022/2024: 11(1-2), 2023: 12(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 2024: 12(5), 2024: 13(1, 3-6), 2025: 14(1, 3-4)
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Portico
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Preserved
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2026-04-23
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Preserved : 2026: 15(1)
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