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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 1(1-2), 2011: 2(1-2), 2012: 3(1-2), 2013: 4(1-2), 2014: 5(1-2), 2015: 6(1-2), 2016: 7(1-2), 2017: 8(1-2), 2018: 9(1-2), 2019: 10(1-2), 2020: 11(1-2), 2021: 12(1-2), 2022: 13(1-2), 2023: 14(1-2), 2024: 15(1), 2025: 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, 2); 4 (1, 2); 5 (1, 2); 6 (1); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 13 (2); 14 (1, 2)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 9 (1); 10 (, 1, 2); 11 (, 1, 2); 2019; 2020
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