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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1, 2, 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 6); 11 (, 1, 2-3, 4 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1, 3 to 5); 16 (, 2 to 6); 17 (, 1 to 6); 18 (, 1 to 4, 6); 19 (, 1 to 6); 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, 3 to 8); 27 (, 1 to 5); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 9, 19 to 27
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 4, 27
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 1(1-4), 2000: 2(1-4), 2001: 3(1-4), 2002: 4(1-4), 2003: 5(1-4), 2004: 6(1-6), 2005: 7(1-6), 2006: 8(1-6), 2007: 9(1-6), 2008: 10(1-6), 2009: 11(1-6), 2010: 12(1-6), 2011: 13(1-6), 2012: 14(1-6), 2013: 15(1-6), 2014: 16(1-6), 2015: 17(1-6), 2016: 18(1-6), 2017: 19(1-6), 2018: 20(1-8), 2019: 21(1-8), 2020: 22(1-8), 2021: 23(1-8), 2022: 24(1-8), 2023: 25(1-8), 2024: 26(1-8), 2025: 27(1-8), 2026: 28(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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5 to 26
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CLOCKSS Archive
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Preserved
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2026-02-09
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10 to 18
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Library of Congress
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Preserved
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2025-04-07
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12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (5); 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)
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British Library
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Preserved
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2019-09-18
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Preserved : 16 (1 to 6), 17 (1 to 6), 18 (1 to 6), 19 (1 to 6), 20 (1 to 8), 32 (3)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-6); 7 (1, 3-6); 8 (1-6); 9 (1-6); 10 (1-5); 11 (1, 2-3, 4-6); 12 (1-6); 13 (1-5); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (1-8); 21 (1-8)
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