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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 36
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 32 (4 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1); 36
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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 : 1 (1 to 4); 2 (1 to 8); 3 (1 to 8); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 8); 19 (1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (Suppl 1, 1 to 8)
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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 : 1 (1 to 4); 2 (1 to 8); 3 (1 to 8); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 8); 19 (1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (Suppl 1, 1 to 8)
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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 : 7 (1); 8 (3, 4); 9 (3); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-6); 18 (1-8); 19 (1-8); 20 (1-8); 21 (1-8); 22 (supplement-1, 1-8); 23 (supplement-1, 1-8); 24 (supplement-1, 1-8); 25 (supplement-1, 1-8); 26 (1-8); 27 (1-8); 28 (1-8); 29 (1-8)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 5 (1 to 4); 6 (1, 2); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 6); 18 (1 to 8); 19 (1 to 8); 20 (1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (Suppl, 1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (2, 3, 5, 7, 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 3); 34 (Suppl)
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LOCKSS Archive
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In Progress
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2026-04-27
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22, 29
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LOCKSS Archive
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Preserved
|
2026-04-27
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23 to 28
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Portico
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Preserved
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2026-04-23
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Preserved : 1991: 1(1-4), 1992: 2(1-4), 1993: 3(1-4), 1994: 4(1-4), 1995: 5(1-4), 1996: 6(1-4), 1997: 7(1-4), 1998: 8(1-4), 1999: 9(1-4), 2000: 10(1-4), 2001: 11(1-4), 2002: 12(1-4), 2003: 13(1-4), 2004: 14(1-4), 2005: 15(1-4), 2006: 16(1-4), 2007: 17(1-6), 2008: 18(1-8), 2009: 19(1-8), 2010: 20(1-8), 2011: 21(1-8), 2012: 22(1-8), 2013: 23(1-8), 2014: 24(1, S 1, 2-8), 2015: 25(1, 3-8), 2016: 26(1-8), 2017: 27(1-8), 2018: 28(1-8), 2019: 29(1-8), 2019/2020: 30(1-8), 2021: 31(1-8), 2022: 32(1-8), 2023: 33(2-8), 2024: 34(1, S 1, 2-8), 2025: 35(1), 2026: 36(1)
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