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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 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 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 3, 5, 6); 58 (1 to 6); 59 (1)
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Internet Archive
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Preserved
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2025-08-08
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1 to 3
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Portico
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Preserved
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2026-06-04
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Preserved : 2005: 39(6)
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Portico
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Preserved
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2026-06-04
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Preserved : 2012/2013: 46(1, 4-6), 2013/2014: 47(1-2, 4-6), 2014/2015: 48(1-4, 6), 2015/2016: 49(1-6), 2016/2017: 50(1-6), 2017/2018: 51(1-6), 2018/2019: 52(1-6), 2019/2020: 53(1-6), 2020/2021: 54(1-6), 2021/2022: 55(1-6), 2022/2023: 56(2-6), 2023/2024: 57(1-6), 2024/2025: 58(1-4, 6), 2025: 59(1)
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LOCKSS Archive
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In Progress
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2026-06-01
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Library of Congress
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Preserved
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2025-04-07
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51 (5, 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (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 : 4 (1 to 6); 5 (1 to 6); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 5, 7, 8, 11, 12); 34 (1 to 8, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 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 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 3, 5, 6); 58 (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 : 4 (1 to 6); 5 (1 to 6); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 5, 7, 8, 11, 12); 34 (1 to 8, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 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 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 3, 5, 6); 58 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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|
|
Preserved : 43 (6); 44 (1 to 6); 45 (1)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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|
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Preserved : 43 (6); 44 (1 to 6); 45 (1)
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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 : 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1, 2)
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