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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (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 51
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Portico
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Preserved
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2026-04-23
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Preserved : 2010: 47(2-4), 2011: 48(1-2, 4)
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CLOCKSS Archive
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Preserved
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2026-04-27
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51, 52
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LOCKSS Archive
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Preserved
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2026-04-27
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51 to 61
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Portico
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Preserved
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2026-04-23
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Preserved : 2014: 51(1-4), 2015: 52(1-4), 2016: 53(1-4), 2017: 54(1-4), 2018: 55(1-4), 2019: 56(1-4), 2020: 57(1-4), 2021: 58(1-4), 2022: 59(1-4), 2023: 60(1-4), 2024: 61(1-3), 2025: 62(1-4), 2026: 63(1-2)
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CLOCKSS Archive
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In Progress
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2026-04-27
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53 to 63
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LOCKSS Archive
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In Progress
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2026-04-27
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62, 63
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Library of Congress
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Preserved
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2025-04-07
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51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (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 : 51 (1-4); 52 (1-4); 53 (1, 2, 4); 54 (1-4); 55 (1-4); 56 (1-3)
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