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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 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, 2)
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CLOCKSS Archive
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Preserved
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2026-04-27
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23 to 42
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Portico
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Preserved
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2026-04-30
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Preserved : 2007: 23(1-6), 2008: 24(1-6), 2009: 25(1-6), 2010: 26(1-6), 2011: 27(1-6), 2012: 28(1-4, 6), 2013: 29(1-4, 6), 2014: 30(1-5), 2015: 31(1-6), 2016: 32(1-6), 2017: 33(1-6), 2018: 34(1-6), 2019/2020: 35(1-6), 2020: 36(1-6), 2021: 37(1-6), 2022: 38(1-6), 2023: 39(1-6), 2024: 40(1-6), 2025: 41(1-6), 2026: 42(1-2)
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LOCKSS Archive
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In Progress
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2026-04-27
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28, 35
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LOCKSS Archive
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Preserved
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2026-04-27
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29 to 34
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Library of Congress
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Preserved
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2025-04-07
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33 (5); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 5)
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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 : 3 (2 to 6); 4 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6)
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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 : 3 (2 to 6); 4 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6)
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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 : 26 (2 to 6); 27 (1, 2)
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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 : 26 (2 to 6); 27 (1, 2)
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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 : 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (2-5)
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