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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 27 (11); 28 (12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (Suppl, 1 to 12); 33 (1 to 12); 34 (Suppl, 1 to 12); 35 (1 to 12); 36 (Suppl, 1 to 12); 37 (Suppl, 1 to 12); 38 (1 to 12); 39 (Suppl, 1 to 12); 40 (Suppl, 1 to 12); 41 (1 to 12); 42 (1 to 13); 43 (Suppl, 1 to 13); 44 (Suppl, 1 to 13); 45 (Suppl, 1, 3 to 13); 46 (Suppl, 1, 2, 6, 9 to 13); 47 (Suppl, 1 to 13); 48 (Suppl, 1 to 13); 49 (Suppl, 1 to 13); 50 (Suppl, 1 to 13); 51 (Suppl, 1 to 13); 52 (1 to 13); 53 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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6 to 37
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LOCKSS Archive
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Preserved
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2026-05-04
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1 to 37, 39 to 45
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Portico
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Preserved
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2026-04-30
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Preserved : 2000: 27(11)
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Portico
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Preserved
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2026-04-30
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Preserved : 2001: 28(12), 2002: 29(1-12), 2003: 30(1-12), 2004: 31(1-12), 2005: 32(1, S 1, 2, S 2, 3-12), 2006: 33(1-12), 2007: 34(1-2, S 2, 3-12), 2008: 35(1-12), 2009: 36(1, S 1, 2, S 2, 3-12), 2010: 37(1-2, S 2, 3-12), 2011: 38(1-12), 2012: 39(1-2, S 2, 3-9), 2013: 40(1-2, S 2, 3-10, 12), 2014: 41(1-12), 2015: 42(1, S 1, 2, 4-13), 2016: 43(1, S 1, 2-13), 2017: 44(1-2, S 2, 3-13), 2018: 45(1, S 1, 2-13), 2019: 46(1, S 1, 2-13), 2019/2020: 47(1, S 1, 2-13), 2021: 48(1, S 1, 2-13), 2021/2022: 49(1, S 1, 2-13), 2022/2023: 50(1, S 1, 2-13), 2023/2024: 51(1, S 1, 2-13), 2024/2025: 52(1-2, 4-13), 2025/2026: 53(1, 4-5)
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LOCKSS Archive
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In Progress
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2026-05-04
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38, 46
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Library of Congress
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Preserved
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2025-04-07
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44 (S2, 2, 6); 45 (1, S1, 4 to 13); 46 (1, S1, 2 to 13); 47 (1, S1, 2 to 13); 48 (1, S1, 2 to 9, 11 to 13); 49 (S1, 1 to 13); 50 (1, S1, 2 to 13); 51 (1, S1, 2 to 7, 9 to 12)
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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 9, 11, 12); 4 (1 to 9, 11, 12); 5 (Suppl 1, 1 to 9, 11 to 13); 24 (1 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 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11 to 13); 43 (1 to 9, 11 to 13); 44 (1 to 9, 11 to 13); 45 (Suppl 1, 1 to 9, 11 to 13); 46 (Suppl 1, 1 to 9, 11 to 13); 47 (Suppl 1, 1 to 9, 11 to 13); 48 (Suppl 1, 1 to 9, 11 to 13); 49 (Suppl 1, 1 to 9, 11 to 13); 51 (Suppl 1, 1 to 9, 11 to 13); 52 (1)
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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 9, 11, 12); 4 (1 to 9, 11, 12); 5 (Suppl 1, 1 to 9, 11 to 13); 24 (1 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 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11 to 13); 43 (1 to 9, 11 to 13); 44 (1 to 9, 11 to 13); 45 (Suppl 1, 1 to 9, 11 to 13); 46 (Suppl 1, 1 to 9, 11 to 13); 47 (Suppl 1, 1 to 9, 11 to 13); 48 (Suppl 1, 1 to 9, 11 to 13); 49 (Suppl 1, 1 to 9, 11 to 13); 51 (Suppl 1, 1 to 9, 11 to 13); 52 (1)
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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 : 28 (2-5, 7); 29 (S2, 1-12); 30 (supplement-1, 1-12); 31 (1-3-12); 32 (1-12); 33 (supplement-2, 1-14); 34 (1-12); 35 (supplement-1, 1-12); 36 (supplement-2, 1-12); 37 (supplement-1, 1-12); 38 (supplement-1, 1-12); 39 (supplement-1, 1-12); 40 (supplement-1, 1-9, 11, 12); 41 (supplement-1, 1-12); 42 (1-13); 43 (1-13); 44 (supplement-1, 1-13); 45 (1-13); 46 (supplement-1, 1-12); 54 (1); 104 (8); 129 (6)
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