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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 4); 2 (1 to 4); 3 (Suppl., 1-2, 3 to 6); 4 (Suppl., 1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 4, 5-6); 8 (1 to 6); 9 (1 to 6); 10 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 4, 5-6); 18 (1 to 6); 19 (1, 2, 3-4, 5, 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1, 2)
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 19
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CLOCKSS Archive
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Preserved
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2026-04-13
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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 : 2002: 3(3-4, 6), 2003: 4(3)
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Portico
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Preserved
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2026-04-23
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Preserved : 2007: 8(1-5), 2008: 9(2-6), 2009: 10(1-6), 2010: 11(1-6), 2011: 12(1-6), 2012: 13(1-3, 6), 2013: 14(1-4, 6), 2014: 15(1-5), 2015: 16(2-6), 2016: 17(1-6), 2017: 18(1-6), 2018: 19(1-6), 2019: 20(1-6), 2019/2020: 21(1-6), 2021: 22(1-6), 2022: 23(1-6), 2023: 24(2-6), 2024: 25(1-6), 2025: 26(1-6), 2025/2026: 27(1-3)
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LOCKSS Archive
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In Progress
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2026-04-13
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20
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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 (2-4); 2 (1-4); 3 (Supplement?, 1, 3-6); 4 (Supplement?, 1-6); 5 (2-5); 6 (1-6); 7 (1-4, 5-6); 8 (1, 4-6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-4, 5-6); 18 (1-6); 19 (1, 2, 3-4, 5, 6); 20 (1-6)
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Library of Congress
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Preserved
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2025-04-07
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19 (2, 3-4, 5, 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1)
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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 6); 2 (1 to 6); 3 (1, 3 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 5); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 5); 18 (1 to 6); 19 (1, 2, 3-4, 5, 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6)
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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 6); 2 (1 to 6); 3 (1, 3 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 5); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 5); 18 (1 to 6); 19 (1, 2, 3-4, 5, 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6)
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