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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 6); 2 (1 to 8); 3 (1 to 8); 4 (1 to 8); 5 (1 to 8); 6 (1 to 8); 7 (1 to 12); 8 (1 to 12); 10 (10 to 12); 11 (1 to 12); 12 (1 to 4, 6 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 12); 23 (1 to 12); 24 (1-2, 3 to 12); 25 (2 to 4); 26 (10); 27 (2 to 12); 28 (1 to 12); 29 (1 to 7, 9 to 11); 30 (2 to 9); 31 (1 to 3, 5, 6, 7-8, 9); 32 (1); 38 (none); 39
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Internet Archive
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Preserved
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2025-08-08
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3 to 9
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Portico
|
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Preserved
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2026-05-07
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Preserved : 1986/1987: 1(1-6)
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Portico
|
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Preserved
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2026-05-07
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Preserved : 1988/1989: 2(1-8), 1989/1990: 3(1-8), 1990/1991: 4(1-8), 1992: 5(1-8), 1993: 6(1-8, S), 1994: 7(1-12), 1995: 8(1-12), 1996: 9(1-12), 1997: 10(1-12), 1998: 11(1-12), 1999: 12(1-12), 2000: 13(1-12), 2001: 14(1-12), 2002: 15(1-12), 2003: 16(1-12), 2004: 17(1-12), 2005: 18(1-12), 2006: 19(1-12), 2007: 20(1-12), 2008: 21(1-12), 2009: 22(1-12), 2010: 23(1-12), 2011: 24(1-12), 2012: 25(1-12), 2013: 26(1-12), 2014: 27(1-12), 2015: 28(1-12), 2016: 29(1-12), 2016/2017: 30(1-12), 2018: 31(1-12), 2019: 32(1-12), 2020: 33, 2021: 34, 2022: 35, 2023: 36, 2024: 37, 2025: 38, 2026: 39
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CLOCKSS Archive
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Preserved
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2026-05-04
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26, 38, 39
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LOCKSS Archive
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Preserved
|
2026-05-04
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18 to 28
|
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CLOCKSS Archive
|
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Preserved
|
2026-05-04
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|
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21 to 28
|
|
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CLOCKSS Archive
|
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Preserved
|
2026-05-04
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21 to 31
|
|
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LOCKSS Archive
|
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Preserved
|
2026-05-04
|
|
|
21 to 32
|
|
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CLOCKSS Archive
|
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In Progress
|
2026-05-04
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|
|
32 to 38
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|
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National Library of the Netherlands
|
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Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-6); 2 (1-8); 3 (1-8); 4 (1-8); 5 (1-8); 6 (1-8); 7 (1-12); 8 (1-12)
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|
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Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 30 (7)
|
|
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
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|
|
Preserved : 2 (1 to 9, 11, 12); 3 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1-2, 3 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 6, 7-8, 9, 11, 12); 32 (1 to 9, 11, 12); 33; 34; 35; 36; 37; 38
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 2 (1 to 9, 11, 12); 3 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (1 to 9, 11, 12); 22 (1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1-2, 3 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 6, 7-8, 9, 11, 12); 32 (1 to 9, 11, 12); 33; 34; 35; 36; 37; 38
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|
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British Library
|
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Preserved
|
2019-09-18
|
|
|
Preserved : 27 (1 to 8; 10 to 12), 28 (1 to 3; 5 to 7; 9 to 12), 29 (1 to 11), 30 (2; 5; 8), 31 (4 to 6; 9)
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