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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, 2); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 5); 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 5); 18 (1 to 8); 19 (1 to 8); 20 (1 to 7); 21 (1 to 5, 7); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1, 2, 4 to 12); 29 (1 to 12); 30 (2, 3)
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CLOCKSS Archive
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In Progress
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2026-04-06
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1 to 11, 21 to 30
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LOCKSS Archive
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In Progress
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2026-04-06
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1 to 3, 5, 6, 30
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Portico
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Preserved
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2026-04-09
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Preserved : 1997: 1(1-2), 1998: 2(1-4), 1999: 3(1-4), 2000: 4(1-4), 2001: 5(1-4), 2002: 6(1-4), 2003: 7(1-4), 2004: 8(1-4), 2005: 9(1-5), 2006: 10(1-6), 2007: 11(1-6), 2008: 12(1-6), 2009: 13(1-6), 2010: 14(1-6), 2011: 15(1-6), 2012: 16(1-6), 2013: 17(1-6), 2014: 18(1-8), 2015: 19(1-8), 2016: 20(1-8), 2017: 21(1-8), 2018: 22(1-8), 2019: 23(1-8), 2020: 24(1-8), 2021: 25(3, 5-8), 2022: 26(1-8), 2023: 27(1-8), 2024: 28(1-12), 2025: 29(1-12), 2026: 30(1-4)
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LOCKSS Archive
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Preserved
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2026-04-06
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4, 7 to 29
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CLOCKSS Archive
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Preserved
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2026-04-06
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12 to 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 (1, 2); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-5); 10 (1-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1, 2, 4-6); 18 (1-8); 19 (1-5, 8); 20 (1-8); 21 (1-8); 22 (1-8); 23 (1-8)
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Library of Congress
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Preserved
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2025-04-07
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14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 8); 19 (1 to 8); 20 (1 to 8); 21 (1 to 8); 22 (1 to 8); 23 (1 to 8); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 12)
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British Library
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Preserved
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2019-09-18
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Preserved : 18 (1 to 8), 19 (1 to 8), 20 (1 to 8), 21 (1 to 8), 22 (1 to 8)
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