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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 5 (6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1_suppl, 2 to 6); 10 (1 to 6); 11 (1_suppl, 2 to 6); 12 (1_suppl, 2 to 6); 13 (1_suppl, 2 to 6); 14 (1_suppl, 2 to 6); 15 (1_suppl, 2 to 6); 16 (1_suppl, 2 to 6); 17 (1 to 6); 18 (1_suppl, 2 to 6); 19 (1, 2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 4, 6 to 8
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 4, 6 to 17
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Portico
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Preserved
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2026-04-02
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Preserved : 2008: 1(1-3), 2009: 2(1-6), 2010: 3(1-6), 2011: 4(1, 1, S, 2-6), 2012: 5(1-6), 2013: 6(1-6), 2014: 7(1-6), 2015: 8(1-6), 2016: 9(1, 1, S, 2, 2, S, 3-6), 2017: 10(1, 1, S, 2, 2, S, 3-6), 2018: 11(1, 1, S, 2-6), 2019: 12(1, 1, S, 2-6), 2020: 13(1, 1, S, 2-6), 2021: 14(1, 1, S, 2-6), 2022: 15(1, 1, S, 2-6), 2023: 16(1, 1, S, 2-6), 2024: 17(1, 1, S, 2, 2, S, 3-6), 2025: 18(1, 1, S, 2-6), 2026: 19(1-2)
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CLOCKSS Archive
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In Progress
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2026-04-06
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9 to 19
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LOCKSS Archive
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In Progress
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2026-04-06
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18, 19
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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 : 2 (2); 5 (6); 6 (1-6); 7 (1-6); 8 (1-4, 6); 9 (1-6); 10 (1-6); 11 (1-6); 12 (1-6); 1529 (5)
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British Library
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Preserved
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2019-09-18
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Preserved : 7 (3 to 6), 8 (1 to 6), 9 (1 to 6), 10 (1 to 6), 11 (1 to 6)
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