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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1, 2); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (2 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 14 (1 to 3); 15 (4); 16 (1 to 4); 17 (1 to 4); 18 (:, 1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1, 2, 4); 34 (3, 4); 35 (1 to 3); 36 (1, 3, 4); 37 (1); 38; 39 (3, 4); XLVII
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Portico
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Preserved
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2026-04-16
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Preserved : 1995: 9(1, 4)
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Portico
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Preserved
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2026-04-16
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Preserved : 2003: 17(4), 2004: 18(1)
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LOCKSS Archive
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Preserved
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2026-04-13
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19 to 38
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CLOCKSS Archive
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Preserved
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2026-04-13
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22 to 32, 39
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Portico
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Preserved
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2026-04-16
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Preserved : 2008: 22(1-4), 2009: 23(1-4), 2010: 24(1-4), 2011: 25(1-4), 2012: 26(1-4), 2012/2013: 27(1-4), 2014: 28(1-4), 2014/2015: 29(1-4), 2015/2016: 30(1-4), 2017: 31(1-4), 2018: 32(1-4), 2019: 33(1-4), 2020: 34(1-4), 2021: 35(1-4), 2022: 36(1-4), 2023: 37(1-4), 2024: 38(1-4), 2025: 39(1-4)
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CLOCKSS Archive
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In Progress
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2026-04-13
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33 to 39
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LOCKSS Archive
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In Progress
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2026-04-13
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39
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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 : ; 2 (1 to 4); 3 (1 to 4); 17; 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (2 to 4); 38 (1 to 4); 39 (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 : ; 2 (1 to 4); 3 (1 to 4); 17; 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (2 to 4); 38 (1 to 4); 39 (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 : 33 (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 : 1 (2); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4)
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British Library
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Preserved
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2019-09-18
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Preserved : 28 (1 to 4), 29 (1 to 4), 30 (1 to 4), 31 (1; 4), 32 (2; 4)
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