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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 to 4); 2 (1 to 4); 3 (1-4); 4 (2 to 4); 5 (1 to 4); 6 (1, 2, 3-4); 7 (1-4); 8; 9 (2 to 4); 10 (1, 2, 3-4); 11 (1, 2-3, 4); 12 (1 to 4); 13 (1 to 4); 14 (1, 2, 3-4); 15 (1, 2-3, 4); 16 (1 to 4); 17 (1 to 4); 18 (1-2, 3, 4); 19 (1 to 4); 20 (1, 2-3, 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1-2, 3, 4); 26 (1-2, 3-4); 27 (1-2, 3-4); 28 (1 to 4); 29 (1 to 4); 30 (1-2, 3, 4); 31 (1 to 4); 32 (1 to 4); 33 (S1, 1, 2-3, 4); 34 (1, 2, 3-4); 35 (sup1, 1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (sup1, 1 to 4); 39 (1, 2, 3-4, 5, 6); 40 (1, 2-3, 4 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 (2 to 6); 48 (1 to 6); 49 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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4
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 47
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CLOCKSS Archive
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Preserved
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2026-04-06
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ahead-of-print to 49
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LOCKSS Archive
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In Progress
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2026-04-06
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48, 49
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Portico
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Preserved
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2026-04-02
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Preserved : 1997: 20(1-4), 1998: 21(1-4), 1999: 22(1-4), 2000: 23(1-4), 2001: 24(1-4), 2002: 25(1-4), 2003: 26(1-4), 2004: 27(1-4), 2005: 28(1-4), 2006: 29(1-4), 2007: 30(1-4), 2008: 31(1-4), 2009: 32(1-4), 2010: 33(1, S 1, 2-4), 2011: 34(1-4), 2012: 35(1-4), 2013: 36(1-4), 2014: 37(1-4), 2015: 38(1-4), 2016: 39(1-6), 2017: 40(1-6), 2018: 41(1-6), 2019: 42(1-6), 2020: 43(1-6), 2020/2021: 44(1-6), 2022: 45(1-6), 2023: 46(1-6), 2024: 47(1-6), 2025: 48(1-6), 2026: 49(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 : 2 (2-3, 4); 3 (1-2, 3, 4); 4 (1, 2-3, 4 to 6); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1-2, 3, 4); 26 (1-2, 3-4); 27 (1-2, 3-4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (sup1, 1, 2-3, 4); 34 (1, 2, 3-4); 35 (sup1, 1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (sup1, 1 to 4); 39 (1, 2, 3-4, 5, 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, 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 : 1 (1-4); 2 (1-4); 3 (1-4); 4 (2-4); 5 (1-4); 6 (1, 2, 3-4); 7 (1-4); 8; 9 (2-4); 10 (1, 2, 3-4); 11 (1, 2-3, 4); 12 (1-4); 13 (1-4); 14 (1, 2, 3-4); 15 (1, 2-3, 4); 16 (1-4); 17 (1-4); 18 (1-2, 3, 4); 19 (1-4); 20 (1, 2-3, 4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-2, 3, 4); 26 (1-2, 3-4); 27 (1-2, 3-4); 28 (2, 4); 29 (1-4); 30 (1-2, 3, 4); 31 (1-4)
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Library of Congress
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Preserved
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2025-04-07
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40 (2-3, 4 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 5)
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