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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 60 (1); 63; 64; 65; 66; 67; 68; 69; 70; 71; 72; 73 (2 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1)
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CLOCKSS Archive
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Preserved
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2026-04-06
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50 to 62, 65, 66, 69 to 83
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Portico
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Preserved
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2026-04-02
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Preserved : 2010: 50(1), 2010: 51(1), 2010: 52(1), 2011: 53(1), 2011: 54(1), 2011: 55(1), 2011: 56(1), 2012: 57(1), 2012: 58(1), 2012: 59(1), 2012: 60(1), 2013: 61(1), 2013: 62(1), 2014: 63(1), 2014: 64(1), 2014: 65(1), 2014: 66(1), 2015: 68(1), 2015: 69(1), 2015: 70(1), 2015: 71(1), 2015: 72(1), 2016: 73(1-4), 2017: 74(1-4), 2018: 75(1-4), 2019: 76(1-4), 2019/2020: 77(1-4), 2021: 78(1-4), 2022: 79(1-4), 2023: 80(1-4), 2024: 81(1-4), 2025: 82(1-4), 2026: 83(1)
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LOCKSS Archive
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In Progress
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2026-04-06
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60, 63 to 77
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Library of Congress
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Preserved
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2025-04-07
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74 (3); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 81 (1 to 4)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 81 (1 to 4)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 50 (1); 51; 52; 53; 54; 55; 56; 57; 58; 59; 60; 61; 62; 63; 64; 65; 66; 68; 69; 70; 71; 72; 73 (2-4); 74 (1-4); 75 (1-4); 76 (1-4)
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