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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1, 4); 31 (1 to 4); 32 (1); 33 (3); 34 (2, 5, 7); 35
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Portico
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Preserved
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2026-05-21
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Preserved : 2008: 18(1-4), 2009: 19(1-4), 2010: 20(1-4), 2011: 21(1-4), 2012: 22(1-4), 2013: 23(1-4), 2014: 24(1-4), 2015: 25(1-4), 2016: 26(1-4), 2017: 27(1-4), 2018: 28(1-4), 2019: 29(1-4), 2020: 30(1-4), 2021: 31(1-4), 2022: 32(1-3, 3, S, 4), 2023: 33(1-3, 3, S, 4), 2024: 34(1-2, 4-7, 7, S), 2025: 35(1-7, 7, S), 2026: 36(1-3)
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CLOCKSS Archive
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Preserved
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2026-05-18
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18 to 36
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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 : 17 (1-7); 18 (S1, 1-13); 19 (S1, 1-13); 20 (S1, 1-13); 21 (S1, 1-13); 22 (S1, 1-17); 23 (S1, 1-17); 24 (S1, 1-17); 25 (1-17); 26 (S1, 1-10, 11-12, 13-17); 27 (S1, 1-7, 8-9, 10-17); 28 (S1, 1-7, 8-9, 10-17); 29 (S1, 1-3, 5-7, 8-9, 10-12, 15)
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