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British Library
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Preserved
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2019-09-18
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Preserved : 30 (1 to 2), 31 (1 to 4; S1), 32 (2 to 4), 33 (1 to 2), 34 (2 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 : ; 3 (1 to 4); 4 (1, 2); 9; 22 (1, 2); 23 (1 to 3); 24 (1, 2); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 4); 29 (1 to 6); 31 (suppl_1, 1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1, 3); 41 (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 : ; 3 (1 to 4); 4 (1, 2); 9; 22 (1, 2); 23 (1 to 3); 24 (1, 2); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 4); 29 (1 to 6); 31 (suppl_1, 1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1, 3); 41 (1 to 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, 2); 3; 4 (1); 5 (2); 6 (1, 2); 7; 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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6 to 22
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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, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1 to 3); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1 to 3); 24 (1, 2); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 4); 29 (1 to 6); 30 (Supplement, 1 to 4); 31 (1, 2, 4); 32 (1 to 4); 33 (1, 2); 34 (1 to 4); 35 (1 to 3); 36 (1); 37 (2, 3); 38 (1 to 3); 39 (1 to 3); 41 (2, 3); 42 (1)
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Portico
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Preserved
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2026-04-09
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Preserved : 1985: 1(1-2), 1986: 2(1-2), 1987: 3(1-2), 1988: 4(1-2), 1989: 5(1-2), 1990: 6(1-2), 1991: 7(1-2, Special Issue ial_issue), 1992: 8(1-2), 1993: 9(1-2), 1994: 10(1-2), 1995: 11(1-2), 1996: 12(1-2), 1997: 13(1-2), 1998: 14(1-2)
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Portico
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Preserved
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2026-04-09
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Preserved : 2001: 17(1-2), 2002: 18(1-2), 2003: 19(1-2), 2004: 20(1-2), 2005: 21(1-2), 2006: 22(1-2), 2007: 23(1-2), 2008: 24(1-2), 2009: 25(1-2), 2010: 26(1-3), 2011: 27(1-3), 2012: 28(1-4), 2013: 29(1-6), 2014: 30(1-4), 2015: 31(1-4), 2016: 32(1-4), 2017: 33(1-4), 2018: 34(1-4), 2019: 35(1-3), 2020: 36(1-3), 2021: 37(1-3), 2022: 38(1-3), 2023: 39(1-3), 2024: 40(1-3), 2025: 41(1-3), 2026: 42(1)
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LOCKSS Archive
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Preserved
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2026-04-06
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21, 23 to 40
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CLOCKSS Archive
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Preserved
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2026-04-06
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24 to 34
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CLOCKSS Archive
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In Progress
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2026-04-06
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35 to 41
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LOCKSS Archive
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In Progress
|
2026-04-06
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41, 42
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