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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 45 (2 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (2 to 4); 50 (1 to 3, 5, 6); 51 (1 to 6); 52 (1 to 4, 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 5); 60 (1, 2, 5, 6); 61 (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 60
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Portico
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Preserved
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2026-04-09
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Preserved : 1990: 39(3)
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Portico
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Preserved
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2026-04-09
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Preserved : 1998: 47(1-4), 1999: 48(1-4), 2000: 49(1-4), 2001: 50(1-6), 2002: 51(1-6), 2003: 52(1-6), 2004: 53(1-6), 2005: 54(1-6), 2006: 55(1-6), 2007: 56(1-6), 2008: 57(1-6), 2009: 58(1-6), 2010: 59(1-6), 2010/2011: 60(1-6), 2011/2012: 61(1-6), 2012/2013: 62(1-6), 2013/2014: 63(1-6), 2014/2015: 64(1-6), 2015/2016: 65(1-6), 2017: 66(1-6), 2018: 67(1-6), 2019: 68(1-6), 2020: 69(1-6), 2021: 70(1-6), 2022: 71(1-6), 2023: 72(1-6), 2024: 73(1-6), 2025: 74(1-6), 2026: 75(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-06
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57 to 67
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LOCKSS Archive
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Preserved
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2026-04-06
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59 to 73
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CLOCKSS Archive
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In Progress
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2026-04-06
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68 to 74
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LOCKSS Archive
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In Progress
|
2026-04-06
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|
74, 75
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Portico
|
|
Preserved
|
2026-04-09
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Preserved : 2008: 57(1-6)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : ; 6 (1 to 6); 7 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1, 3 to 6); 73 (1 to 6); 74 (1, 2)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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|
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Preserved : ; 6 (1 to 6); 7 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1, 3 to 6); 73 (1 to 6); 74 (1, 2)
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British Library
|
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Preserved
|
2019-09-18
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|
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Preserved : 52 (6), 63 (1 to 6), 64 (1 to 3; 6), 65 (1; 3 to 6), 66 (3), 67 (4 to 5)
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