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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 16 (2 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (S1, 1 to 6, 10 to 12); 22 (1 to 12); 23 (1 to 13); 24 (1 to 13); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 9, 12); 31 (4 to 11)
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LOCKSS Archive
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In Progress
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2026-05-25
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30
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LOCKSS Archive
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Preserved
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2026-05-25
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31 to 37
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CLOCKSS Archive
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Preserved
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2026-05-25
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16 to 44
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Portico
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Preserved
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2026-05-28
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Preserved : 1998: 16(1-12), 1999: 17(1-12), 2000: 18(1-12), 2001: 19(1-12), 2002: 20(1-12), 2003: 21(1-12), 2004: 22(1-12), 2005: 23(1-12, S 13), 2006/2007: 24(1-13), 2007: 25(1-12), 2008/2009: 26(1-12), 2009/2010: 27(1-12), 2010: 28(1-12), 2011: 29(1-12), 2012: 30(1-12), 2013/2014: 31(1-12), 2014: 32(1-12), 2015/2016: 33(1-12), 2016: 34(1-12), 2017/2018: 35(1-12), 2018/2019: 36(1-12), 2019/2020: 37(1, S 1, 2-6, 8-12), 2020/2021: 38(1, S 1, 2-12), 2021/2022: 39(1, S 1, 2-12), 2022/2023: 40(1, S 1, 2-12), 2023/2024: 41(1, S 1, 2-12), 2024/2025: 42(1, S 1, 2-10, 12), 2025/2026: 43(1, S 1, 2, 4-12), 2026: 44(1-5)
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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 to 9, 11, 12); 3 (Suppl 1, 1 to 9, 11, 12); 4 (Suppl 1, 1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (Suppl 1, 1 to 9, 11, 12); 22 (Suppl 1, 1 to 9, 11, 12); 23 (1 to 9, 11 to 13); 24 (1 to 9, 11 to 13); 25 (Suppl 1, 1 to 9, 11, 12); 26 (Suppl 1, 1 to 9, 11, 12); 27 (Suppl 1, 1 to 9, 11, 12); 28 (Suppl 1, 1 to 9, 11, 12); 29 (Suppl 1, 1 to 9, 11, 12); 31 (Suppl 1, 1 to 9, 11, 12); 32 (Suppl 1, 1 to 9, 11, 12); 33 (Suppl 1, 1 to 9, 11, 12); 34 (Suppl 1, 1 to 9, 11, 12); 35 (Suppl 1, 1 to 9, 11, 12); 36 (Suppl 1, 1 to 9, 11, 12); 37 (Suppl 1, 1 to 9, 11, 12); 38 (Suppl 1, 1 to 9, 11, 12); 39 (Suppl 1, 1 to 9, 11, 12); 41 (Suppl 1, 1 to 9, 11, 12); 42 (1 to 9, 11, 12)
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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 (1 to 9, 11, 12); 3 (Suppl 1, 1 to 9, 11, 12); 4 (Suppl 1, 1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 21 (Suppl 1, 1 to 9, 11, 12); 22 (Suppl 1, 1 to 9, 11, 12); 23 (1 to 9, 11 to 13); 24 (1 to 9, 11 to 13); 25 (Suppl 1, 1 to 9, 11, 12); 26 (Suppl 1, 1 to 9, 11, 12); 27 (Suppl 1, 1 to 9, 11, 12); 28 (Suppl 1, 1 to 9, 11, 12); 29 (Suppl 1, 1 to 9, 11, 12); 31 (Suppl 1, 1 to 9, 11, 12); 32 (Suppl 1, 1 to 9, 11, 12); 33 (Suppl 1, 1 to 9, 11, 12); 34 (Suppl 1, 1 to 9, 11, 12); 35 (Suppl 1, 1 to 9, 11, 12); 36 (Suppl 1, 1 to 9, 11, 12); 37 (Suppl 1, 1 to 9, 11, 12); 38 (Suppl 1, 1 to 9, 11, 12); 39 (Suppl 1, 1 to 9, 11, 12); 41 (Suppl 1, 1 to 9, 11, 12); 42 (1 to 9, 11, 12)
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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 : 12 (2); 16 (1-12); 17 (1-12); 18 (1-12); 19 (1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-13); 24 (1-12); 25 (supplement-1, 1-12); 26 (supplement-1, 1-12); 27 (1-12); 28 (supplement-1, 1-12); 29 (supplement-1, 1-12); 30 (supplement-1, 1-4, 6-12); 31 (supplement-1, 1-8, 10-12); 32 (supplement-1, 1-12); 33 (1-12); 34 (supplement-1, 1-12); 35 (supplement-1, 1-12); 36 (supplement-1, 1-12); 37 (1-10); 55 (9)
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Library of Congress
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Preserved
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2025-04-07
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35 (S1, 10); 36 (S1, 2 to 12); 37 (1, S1, 2 to 12); 38 (1, S1, 2 to 12); 39 (1, S1, 2 to 8, 10 to 12); 40 (1, S1, 2 to 12); 41 (1, S1, 2 to 12); 42 (1 to 10)
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