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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 3); 59 (1 to 4); 60 (1 to 3)
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Portico
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Preserved
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2026-05-07
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Preserved : 2007: 42(1-6), 2008: 43(1-6), 2009: 44(1-6), 2010: 45(1-6), 2011: 46(1-6), 2012: 47(1-4), 2013: 48(1-5), 2014: 49(1-6), 2015: 50(1-4), 2016: 51(1-4), 2017: 52(1-4), 2018: 53(1-4), 2019: 54(1-4), 2020: 55(1-4), 2021: 56(1-4), 2022: 57(1-3), 2023: 58(1-4), 2024: 59(1, 3), 2025: 60(1-4)
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CLOCKSS Archive
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Preserved
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2026-05-04
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42 to 60
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LOCKSS Archive
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In Progress
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2026-05-04
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47, 54
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LOCKSS Archive
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Preserved
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2026-05-04
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48 to 53
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Library of Congress
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Preserved
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2025-04-07
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52 (4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1)
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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 : 5 (1 to 4); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 3); 59 (1 to 3)
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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 : 5 (1 to 4); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 3); 59 (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 : 45 (4 to 6); 46 (1 to 3)
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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 : 45 (4 to 6); 46 (1 to 3)
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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 : 42 (1, 3-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-3)
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