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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 4(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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4 to 40
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1990: 5(2), 1991: 6(1-2), 1992: 7(1-2), 1993: 8(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 9(1-2), 1995: 10(1-2), 1996: 11(1-2), 1997: 12(1, S 1, 2), 1998: 13(1-2), 1999: 14(1-2), 2000: 15(1, S 1, 2), 2001: 16(1-2), 2002: 17(1-2), 2003: 18(1-2), 2004: 19(1-2), 2005: 20(1-2), 2006: 21(1-2), 2007: 22(1-2, S 2), 2008: 23(1-4), 2009: 24(1-4), 2010: 25(1-4), 2011: 26(1-4), 2012: 27(1, S 1, 2-4), 2013: 28(1-4), 2014: 29(1, S 1, 2-4), 2015: 30(1, S 1, 2-4), 2016: 31(1-4), 2017: 32(1, S 1, 2-4), 2018: 33(1-4), 2019: 34(1, S 1, 2-4), 2018/2019/2020: 35(1-4), 2021: 36(1, S 1, 2-4), 2022: 37(1, S 1, 2-4), 2023: 38(1-4), 2024: 39(1, S 1, 2-4), 2025: 40(1, S 1, 3-4)
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Library of Congress
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Preserved
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2025-04-07
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31 (1); 33 (S1, 2 to 4); 34 (1, S1, 2 to 4); 35 (1 to 4); 36 (1, S1, 2 to 4); 37 (1, S1, 2 to 4); 38 (1 to 4); 39 (1 to 4)
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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, 2); 3 (1 to 4); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 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 (Suppl 1, 1 to 4); 34 (Suppl 1, 1 to 4); 35 (1 to 4); 36 (Suppl 1, 1 to 4); 37 (Suppl 1, 1 to 4); 38 (1 to 4); 39 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 2 (1, 2); 3 (1 to 4); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 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 (Suppl 1, 1 to 4); 34 (Suppl 1, 1 to 4); 35 (1 to 4); 36 (Suppl 1, 1 to 4); 37 (Suppl 1, 1 to 4); 38 (1 to 4); 39 (1 to 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 : 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (supplement-1, 1-4); 28 (1-4); 29 (1-4); 30 (2-4); 31 (1-4); 32 (supplement-1, 1-4); 33 (1-4); 34 (1-4)
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