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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 06 (1 to 4); 07 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1-2, 3, 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 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1, 2, 4 to 12); 33 (Suppl, 1 to 12); 34 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 34
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Portico
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Preserved
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2026-04-16
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Preserved : 2005: 13(3), 2006: 14(2, 4), 2007: 15(2-4), 2008: 16(1-4), 2009: 17(1-4), 2010: 18(1-4), 2011: 19(1-4), 2012: 20(1-4), 2013: 21(1-4), 2014: 22(1-4), 2015: 23(1-4), 2016: 24(1-4), 2017: 25(1-4), 2018: 26(1-12), 2019: 27(1-12), 2020: 28(1-12), 2021: 29(1-10, 12), 2022: 30(1-12), 2023: 31(2-12), 2024: 32(1-11), 2025: 33(1, S 1, 2-3, 5-12), 2026: 34(1-4)
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LOCKSS Archive
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Preserved
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2026-04-13
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26
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LOCKSS Archive
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In Progress
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2026-04-13
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27
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Library of Congress
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Preserved
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2025-04-07
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26 (2 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 9); 33 (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 : 6 (1-4); 06 (1-4); 7 (1-4); 07 (1-4); 8 (1-4); 9 (1-4); 10 (1, 3, 4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1, 3, 4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-12); 27 (1-12)
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