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Internet Archive
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Preserved
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2025-08-08
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1 to 15
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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 6); 3 (1 to 6); 4 (Suppl, 1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6, 7-8); 8 (1 to 8); 9 (1 to 8); 10 (1 to 8); 11 (1-2, 3 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (9 to 12); 21 (1 to 12); 22 (Suppl, 1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 3)
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LOCKSS Archive
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In Progress
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2026-04-27
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13
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LOCKSS Archive
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Preserved
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2026-04-27
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14 to 20
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 27
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Portico
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Preserved
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2026-04-23
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Preserved : 2000: 1(1-6), 2001: 2(1-6), 2002: 3(1-6), 2003: 4(1, S 1, 2, S 2, 3-6), 2004: 5(1-6), 2005: 6(1-6), 2006: 7(1-8), 2006/2007: 8(1-8), 2008: 9(1-8), 2009/2010: 10(1-8), 2010: 11(1-8), 2011: 12(1-8), 2011/2012: 13(1-8), 2012/2013: 14(1-8), 2013: 15(1-12), 2015: 16(1-12), 2015/2016: 17(1-12), 2017: 18(1-12), 2018: 19(1-12), 2019: 20(1-12), 2019/2020: 21(1-12), 2021: 22(1, S 1, 2-12), 2022: 23(1-12), 2023: 24(2-12), 2024: 25(1-12), 2025: 26(1-12), 2026: 27(1-4)
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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 (2-6); 2 (1-6); 3 (1-6); 4 (1-3); 6 (1, 2); 7 (5); 8 (2, 7); 9 (4, 5, 7); 10 (3, 6); 11 (7, 8); 12 (4, 5, 7); 13 (3, 5, 8); 14 (3); 15 (2, 6, 8); 16 (1-12); 17 (1-12); 18 (1-12); 19 (1-12); 20 (1-12)
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Library of Congress
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Preserved
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2025-04-07
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19 (3 to 12); 20 (1 to 12); 21 (1 to 12); 22 (S1, 1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 11)
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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 8); 2 (1 to 9, 11, 12); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 7); 8 (1 to 8); 9 (1 to 8); 11 (1, 3 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (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 (1 to 9, 11, 12); 22 (Suppl 1, 1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (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 : 1 (1 to 8); 2 (1 to 9, 11, 12); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 7); 8 (1 to 8); 9 (1 to 8); 11 (1, 3 to 8); 12 (1 to 8); 13 (1 to 8); 14 (1 to 8); 15 (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 (1 to 9, 11, 12); 22 (Suppl 1, 1 to 9, 11, 12); 23 (1 to 9, 11, 12); 24 (1 to 9, 11, 12); 25 (1 to 9, 11, 12)
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