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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, 2); 2 (, 1, 2); 3 (, 1, 2); 4 (, 1, 2); 5 (, 1, 2); 7 (, 1, 2); 8 (, 1, 2); 9 (, 1, 2); 10 (, 1, 2); 11 (, 1 to 3); 12 (, 1 to 3); 13 (, 1 to 3); 14 (, 1 to 4); 15 (, 1 to 3, 4_suppl); 16 (, 1 to 4 to 6); 17 (, 1, 2 to 4, 6); 18 (, 1, 2 to 4 to 6); 19 (, 1, 2 to 4 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 3 to 6); 26 (, 1 to 3); 2000; 2001; 2002; 2003; 2004; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 1(1-2), 2001: 2(1-2), 2002: 3(1-2), 2003: 4(1-2), 2004: 5(1-2)
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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 5, 7, 18 to 20, 22 to 26
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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 3, 26
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LOCKSS Archive
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Preserved
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2026-02-09
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4 to 25
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CLOCKSS Archive
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Preserved
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2026-02-09
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6, 8 to 17, 21
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 7(1-2), 2007: 8(1-2), 2008: 9(1-2), 2009: 10(1-2), 2010: 11(1-3), 2011: 12(1-3), 2012: 13(1-3), 2013: 14(1-4), 2014: 15(1-4, 4, S, s4), 2015: 16(1-5, 5, S, 6), 2016: 17(1-3, 3, S, 4-6), 2017: 18(1-3, 3, S, 4-6), 2018: 19(1-3, 3, S, 4-6), 2019: 20(1-6), 2020: 21(1-6), 2021: 22(1-6), 2022: 23(1-6), 2023: 24(1-6), 2024: 25(1-2, 2, S, 3-6), 2025: 26(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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11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1 to 4); 15 (4_suppl, 1 to 4); 16 (5_suppl, 1 to 6); 17 (3_suppl, 1 to 6); 18 (3_suppl, 1 to 6); 19 (3_suppl, 1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (2_suppl, 1 to 6)
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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, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1); 10 (2); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-4); 15 (1-4); 16 (1-3, 5_suppl, 6); 17 (1-6); 18 (1-6); 19 (1-6); 20 (2-5)
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British Library
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Preserved
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2019-09-18
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Preserved : 15 (1 to 4), 16 (1 to 6), 17 (1 to 6), 18 (1 to 6), 19 (1 to 5)
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