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Portico
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Preserved
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2026-02-12
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Preserved : 2017: 10(18-19), 2019: 12(22-23), 2020: 13(24-25), 2021: 14(26-27), 2022: 15(28-29), 2023: 16(30-31), 2024: 17(32-33), 2025: 18(34-35)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 9 (16, 17); 10 (, 19); 11 (, 20, 21); 2016; 2017; 2018
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 5(9), 2013/2014: 6(11-12), 2014: 7(13)
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Portico
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Preserved
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2026-02-12
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Preserved : 2016/2017: 9(16-17), 2017: 10(19), 2018: 11(20-21)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 10 (18); 12 (, 22, 23); 13 (, 24, 25); 14 (, 26, 27); 15 (, 28, 29); 16 (, 30, 31); 17 (, 32, 33); 2017; 2019; 2020; 2021; 2022; 2023; 2024
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Library of Congress
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Preserved
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2025-04-07
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6 (11, 12); 7 (13, 14); 8 (15); 9 (16, 17); 10 (19); 11 (20, 21); 15 (28, 29); 16 (30, 31); 17 (32)
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