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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 7 (2 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 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 5); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 3, 5, 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1_suppl, 2 to 6)
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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 7(1-4), 2001: 8(1-4), 2002: 9(1-4), 2003: 10(1-4), 2004: 11(1-4), 2005: 12(1-4), 2006: 13(1-4), 2007: 14(1-4), 2008: 15(1-4), 2009: 16(1-4), 2010: 17(1-5), 2011: 18(1-6), 2012: 19(1-6), 2013: 20(1-6), 2014: 21(1-6), 2015: 22(1-6), 2016: 23(1-6), 2017: 24(1-3, 5-6), 2018: 25(1-6), 2019: 26(1-6), 2020: 27(1-6), 2021: 28(1-6), 2022: 29(1, S1, 2-6), 2023: 30(1, S1, 2-6), 2024: 31(1-6), 2025: 32(1-6), 2026: 33(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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7 to 33
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LOCKSS Archive
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In Progress
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2026-04-06
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7 to 9
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CLOCKSS Archive
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In Progress
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2026-04-06
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7 to 11, 13, 25, 26, 28 to 30
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Portico
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Preserved
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2026-04-02
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Preserved : 2000: 7(1-4), 2001: 8(1-4), 2002: 9(1-4), 2003: 10(1-4), 2004: 11(1-4), 2005: 12(1-4), 2006: 13(1-4), 2007: 14(1-4), 2008: 15(1-4), 2009: 16(1-4), 2010: 17(1-5), 2011: 18(1-6), 2012: 19(1-6), 2013: 20(1-6), 2014: 21(1-6), 2015: 22(1-6), 2016: 23(1-6), 2017: 24(1-3, 5-6), 2018: 25(1-6), 2019: 26(1-6), 2020: 27(1-6), 2021: 28(1, 3-6), 2022: 29(1, 1, S, 2-6), 2023: 30(1, 1, S, 2-6)
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LOCKSS Archive
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Preserved
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2026-04-06
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10 to 30
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CLOCKSS Archive
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Preserved
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2026-04-06
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12, 14 to 24, 27
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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 : 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-4); 17 (1-5); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-3, 5, 6); 25 (1-6); 26 (1-6)
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British Library
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Preserved
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2019-09-18
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Preserved : 22 (1 to 6), 23 (1 to 6), 24 (1 to 3; 5 to 6), 25 (1 to 6)
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