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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 : 39 (3, 4); 40 (3, 4); 41 (2-4); 42 (1-4); 43 (1, 2, 4); 44 (2-4); 45 (1-4); 46 (1, 2, 3S); 47 (1-4); 48 (1S, 2, 4); 49 (1-3, 4); 50 (1, 2, 3S)
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Internet Archive
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Preserved
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2025-08-08
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1 to 27
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CLOCKSS Archive
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Preserved
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2026-04-06
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39 to 57
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Portico
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Preserved
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2026-04-09
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Preserved : 2008: 39(1-4), 2009: 40(1-4), 2010: 41(1-4), 2011: 42(1-4), 2012: 43(1-4), 2013: 44(1-4), 2014: 45(1-4), 2015: 46(1-4), 2016: 47(1-4), 2017: 48(1-4), 2018: 49(1-4), 2019: 50(1-3, 3, S, 4, 4, S 2), 2020: 51(1-3, 3, S, 4, 4, S), 2021: 52(1-2, 2, S, 3, 3, S, 4, 4, S), 2022: 53(1-2, 2, S, 2, S 1-3, 3, S, 4, 4, S, 4, S 1), 2023: 54(1-2, 2, S, 2, S 1-3, 3, S, 4, 4, S, 4, S 1), 2024: 55(1, 1, S, 2-3, 3, S, 4), 2025: 56(1, 1, S, 2, 2, S, 3-6), 2026: 57(1-2)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (Supplement, 1 to 4); 47 (Supplement, 1, 2, 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1, 3, 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 6); 57 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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1 to 43
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