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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 19 (1, 2-3, 4, 5-6, 7-9); 20 (1, 2-3, 4-5, 6, 9); 21 (1 to 7, 8-9); 31 (1 to 12); 32 (Supplement, 1 to 12); 33 (1 to 12); 34 (Supplement, 1 to 12); 35 (1 to 12); 36 (1 to 3, 5 to 12); 37 (1, 3 to 7, 9, 10-11, 12); 38 (1 to 6); 39 (Supplement, 1 to 6); 40 (1 to 6); 41 (Supplement, 1 to 6); 42 (1 to 6); 43 (1 to 5); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 6); 48 (1 to 4, 6); 49 (1 to 6); 50 (1)
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CLOCKSS Archive
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Preserved
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2026-04-27
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31 to 50
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Portico
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Preserved
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2026-04-23
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Preserved : 2007: 31(1-12), 2008: 32(1-12), 2009: 33(1-12), 2010: 34(1-12, ), 2011: 35(1-12), 2012: 36(1-12), 2013: 37(1-12), 2014: 38(1-6), 2015: 39(1-2, 4-6, S), 2016: 40(1-6), 2017: 41(1, S 1, 2-6), 2018: 42(1-6), 2019: 43(1-6), 2020: 44(1-6), 2021: 45(2-6), 2022: 46(1-6), 2023: 47(1-6), 2024: 48(1-6), 2025: 49(1-6), 2026: 50(1-2)
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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 : 20 (3); 31 (1-12); 32 (S1, 1-12); 33 (1-12); 34 (S1, 1-12); 35 (1-9, 11, 12); 36 (1-12); 37 (1-9, 10-11, 12); 38 (1-6); 39 (S, 1-6); 40 (1-6); 41 (S1, 1-6); 42 (1-6); 43 (1-4, 5-6)
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